Hotel Management System Java With Source Code

February 3, 2021

497

Hotel Management System Java With Source Code

The Hotel Management System Java is developed using Java Programming Language, This Hotel Management System Project In Java is a free and open source project. This application is pretty simple and easy to use.

A Hotel Management System Java is built in Java programming language with the help of NetBeans IDE. Also to make records available for future use it’s back-end is Sqlite database. This is simple yet complete hotel management system. This system performs all the necessary tasks that a hotel software application performs.

List of Modules

Customer Information
Rooms
Booking
Food
Other Items
Check Out and Payments

By the way I have here a list of Best Java Projects With Source Code For Beginners Free Download 2021 maybe this can help a lot.

This Hotel Management System also includes a downloadable Hotel Management System Java Source Code for free, just find the downloadable source code below and click to start downloading.

Watch the video here to see the full running Hotel Management System Java With Source Code

To start creating a Hotel Management System Java, makes sure that you have NeatBeans IDE or any platform of Java installed in your computer.

Hotel Management System Java With Source Code steps on how to create the project

Time needed: 5 minutes.

These are the steps on how to create Hotel Management System Java With Source Code

Step 1: Create project.
First, open file and then click “project” to create.
Step 2: Create project name.
Second, name your project.
Step 3: Create JFrame.
Third, create “JFrame” form.
Step 4: Create JFrame name.
Fourth, name your JFrame form.
Step 5: Project Design.
Fifth, The actual design of the project.

The Code Given Below Is For The Customer Info Module

package I3.UI;

import I3.Classes.UserInfo;
import I3.DatabaseOperation.CustomerDb;
import I3.DatabaseOperation.DatabaseOperation;
import java.awt.Color;
import java.awt.event.KeyEvent;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import net.proteanit.sql.DbUtils;

/**
 *
 * @author Angel Jude Suarez
 */
public class CustomerPanel extends javax.swing.JFrame {

    UserInfo user = new UserInfo();
    CustomerDb db = new CustomerDb();
    ResultSet result = null;
    
    //int choice = ADD;
    public CustomerPanel() {
        
          //  UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            initComponents();
            this.getContentPane().setBackground(new Color(241,241,242));
            setTitle("All About Customers");
            populateWithCustomerData();
         
    }
    
    private void populateWithCustomerData()
    {
        result = db.getAllCustomer();
        table_customer.setModel(DbUtils.resultSetToTableModel(result));
        
        
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // &lt;editor-fold defaultstate="collapsed" desc="Generated Code"&gt;                          
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        table_customer = new javax.swing.JTable();
        jPanel3 = new javax.swing.JPanel();
        jLabel3 = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();
        tf_type = new javax.swing.JTextField();
        tf_address = new javax.swing.JTextField();
        tf_phone = new javax.swing.JTextField();
        tf_name = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        tf_id = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        btn_addCustomer = new javax.swing.JButton();
        btn_editCustomer = new javax.swing.JButton();
        btn_deleteCustomer = new javax.swing.JButton();
        btn_reset = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        table_customer.setModel(new javax.swing.table.DefaultTableModel(
            new Object &#91;]&#91;] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String &#91;] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        table_customer.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                table_customerMouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(table_customer);

        jPanel3.setBackground(new java.awt.Color(230, 231, 232));
        jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "Customer Info", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Californian FB", 0, 18), new java.awt.Color(0, 153, 204))); // NOI18N

        jLabel3.setText("Phone No.");

        jLabel1.setText("Name");

        tf_phone.setToolTipText("Digits Only");
        tf_phone.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                tf_phoneKeyTyped(evt);
            }
        });

        jLabel2.setText("Address");

        jLabel4.setText("Type");

        tf_id.setEditable(false);

        jLabel5.setText("ID");

        btn_addCustomer.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N
        btn_addCustomer.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DefaultButton.png"))); // NOI18N
        btn_addCustomer.setBorder(null);
        btn_addCustomer.setBorderPainted(false);
        btn_addCustomer.setFocusPainted(false);
        btn_addCustomer.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_addCustomerActionPerformed(evt);
            }
        });

        btn_editCustomer.setForeground(new java.awt.Color(255, 255, 255));
        btn_editCustomer.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/EditButton.png"))); // NOI18N
        btn_editCustomer.setToolTipText("");
        btn_editCustomer.setBorder(null);
        btn_editCustomer.setBorderPainted(false);
        btn_editCustomer.setEnabled(false);
        btn_editCustomer.setFocusPainted(false);
        btn_editCustomer.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_editCustomerActionPerformed(evt);
            }
        });

        btn_deleteCustomer.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DeleteButton.png"))); // NOI18N
        btn_deleteCustomer.setEnabled(false);
        btn_deleteCustomer.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_deleteCustomerActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addComponent(btn_deleteCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                    .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                        .addComponent(btn_editCustomer, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel3Layout.createSequentialGroup()
                            .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jLabel3)
                                .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, 54, Short.MAX_VALUE)
                                .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jLabel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                            .addGap(18, 18, 18)
                            .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addComponent(tf_id, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                    .addComponent(tf_address)
                                    .addComponent(tf_phone)
                                    .addComponent(tf_name, javax.swing.GroupLayout.DEFAULT_SIZE, 181, Short.MAX_VALUE)
                                    .addComponent(tf_type))))
                        .addComponent(btn_addCustomer, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addContainerGap(42, Short.MAX_VALUE))
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(tf_name, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(tf_address, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(tf_phone, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel4)
                    .addComponent(tf_type, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(tf_id, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel5))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(btn_addCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(btn_editCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(btn_deleteCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(21, Short.MAX_VALUE))
        );

        btn_reset.setBackground(new java.awt.Color(204, 204, 255));
        btn_reset.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/reset.png"))); // NOI18N
        btn_reset.setToolTipText("Reset everything");
        btn_reset.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_resetActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(btn_reset, javax.swing.GroupLayout.PREFERRED_SIZE, 67, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(54, 54, 54)
                .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 461, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(0, 28, Short.MAX_VALUE)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(45, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addGap(147, 147, 147)
                .addComponent(btn_reset)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
            .addGroup(layout.createSequentialGroup()
                .addGap(55, 55, 55)
                .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// &lt;/editor-fold&gt;                        

    private void btn_addCustomerActionPerformed(java.awt.event.ActionEvent evt) {                                                
        ObjectCreation();
        db.insertCustomer(user);
        populateWithCustomerData();
        emptyField();
      
    }                                               

    private void ObjectCreation()
    {
        user = new UserInfo();
        
        user.setName(tf_name.getText());
        user.setAddress(tf_address.getText());
        user.setPhone_no(tf_phone.getText());
        user.setType(tf_type.getText());
        try{
            user.setCustomer_id(Integer.parseInt(tf_id.getText()));
        }
        catch(Exception ex)
        {
            user.setCustomer_id(0);
        }
        
    }
    
    private void table_customerMouseClicked(java.awt.event.MouseEvent evt) {                                            
       
        user = new UserInfo();
        int row = table_customer.getSelectedRow();
        displayToTextField(row);
        //ObjectCreation();
        btn_editCustomer.setEnabled(true);
        btn_deleteCustomer.setEnabled(true);
        btn_addCustomer.setEnabled(false);
        
    }                                           

    private void btn_resetActionPerformed(java.awt.event.ActionEvent evt) {                                          
       
        emptyField();
        
    }                                         

 
    
    private void btn_editCustomerActionPerformed(java.awt.event.ActionEvent evt) {                                                 
        ObjectCreation();
        db.updateCustomer(user);
        populateWithCustomerData();
        emptyField();
    }                                                

    private void btn_deleteCustomerActionPerformed(java.awt.event.ActionEvent evt) {                                                   
        int row  = table_customer.getSelectedRow();
        int selectedUserId = (int) table_customer.getModel().getValueAt(row, 0);
        try {
            db.deleteCustomer(selectedUserId);
            
        } catch (SQLException ex) {
            Logger.getLogger(CustomerPanel.class.getName()).log(Level.SEVERE, null, ex);
        }
        populateWithCustomerData();
        emptyField();
        
    }                                                  

    private void tf_phoneKeyTyped(java.awt.event.KeyEvent evt) {                                  
         char c = evt.getKeyChar();
        
        if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))
        {
            evt.consume();
        }
    }                                 

    
    private void emptyField()
    {
         btn_addCustomer.setEnabled(true);
        btn_editCustomer.setEnabled(false);
        btn_deleteCustomer.setEnabled(false);
        
        user = new UserInfo();
        
        tf_address.setText("");
        tf_id.setText("");
        tf_name.setText("");
        tf_phone.setText("");
        tf_type.setText("");
        table_customer.clearSelection();
    }
    
    private void displayToTextField(int row)
{
    //System.out.println(table_customer.getModel().getValueAt(row, 0)+ " &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; ");
    tf_id.setText(table_customer.getModel().getValueAt(row, 0)+"");
    tf_name.setText((String) table_customer.getModel().getValueAt(row, 1));
    tf_address.setText((String) table_customer.getModel().getValueAt(row, 2));
    tf_phone.setText((String) table_customer.getModel().getValueAt(row, 3));
    tf_type.setText((String) table_customer.getModel().getValueAt(row, 4));
}

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package I3.UI;

import I3.Classes.UserInfo;

import I3.DatabaseOperation.CustomerDb;

import I3.DatabaseOperation.DatabaseOperation;

import java.awt.Color;

import java.awt.event.KeyEvent;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JOptionPane;

import javax.swing.UIManager;

import javax.swing.UnsupportedLookAndFeelException;

import net.proteanit.sql.DbUtils;

/**

* @author Angel Jude Suarez

public class CustomerPanel extends javax.swing.JFrame {

UserInfo user = new UserInfo();

CustomerDb db = new CustomerDb();

ResultSet result = null;

//int choice = ADD;

public CustomerPanel() {

// UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

initComponents();

this.getContentPane().setBackground(new Color(241,241,242));

setTitle("All About Customers");

populateWithCustomerData();

}

private void populateWithCustomerData()

{

result = db.getAllCustomer();

table_customer.setModel(DbUtils.resultSetToTableModel(result));

}

/**

* This method is called from within the constructor to initialize the form.

* WARNING: Do NOT modify this code. The content of this method is always

* regenerated by the Form Editor.

@SuppressWarnings("unchecked")

// <editor-fold defaultstate="collapsed" desc="Generated Code">

private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();

table_customer = new javax.swing.JTable();

jPanel3 = new javax.swing.JPanel();

jLabel3 = new javax.swing.JLabel();

jLabel1 = new javax.swing.JLabel();

tf_type = new javax.swing.JTextField();

tf_address = new javax.swing.JTextField();

tf_phone = new javax.swing.JTextField();

tf_name = new javax.swing.JTextField();

jLabel2 = new javax.swing.JLabel();

jLabel4 = new javax.swing.JLabel();

tf_id = new javax.swing.JTextField();

jLabel5 = new javax.swing.JLabel();

btn_addCustomer = new javax.swing.JButton();

btn_editCustomer = new javax.swing.JButton();

btn_deleteCustomer = new javax.swing.JButton();

btn_reset = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

table_customer.setModel(new javax.swing.table.DefaultTableModel(

new Object [][] {

{null, null, null, null},

{null, null, null, null}

new String [] {

"Title 1", "Title 2", "Title 3", "Title 4"

}

));

table_customer.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(java.awt.event.MouseEvent evt) {

table_customerMouseClicked(evt);

}

});

jScrollPane1.setViewportView(table_customer);

jPanel3.setBackground(new java.awt.Color(230, 231, 232));

jPanel3.setBorder(javax.swing.BorderFactory.createTitledBorder(null, "Customer Info", javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, new java.awt.Font("Californian FB", 0, 18), new java.awt.Color(0, 153, 204))); // NOI18N

jLabel3.setText("Phone No.");

jLabel1.setText("Name");

tf_phone.setToolTipText("Digits Only");

tf_phone.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyTyped(java.awt.event.KeyEvent evt) {

tf_phoneKeyTyped(evt);

}

});

jLabel2.setText("Address");

jLabel4.setText("Type");

tf_id.setEditable(false);

jLabel5.setText("ID");

btn_addCustomer.setFont(new java.awt.Font("Times New Roman", 1, 14)); // NOI18N

btn_addCustomer.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DefaultButton.png"))); // NOI18N

btn_addCustomer.setBorder(null);

btn_addCustomer.setBorderPainted(false);

btn_addCustomer.setFocusPainted(false);

btn_addCustomer.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_addCustomerActionPerformed(evt);

}

});

btn_editCustomer.setForeground(new java.awt.Color(255, 255, 255));

btn_editCustomer.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/EditButton.png"))); // NOI18N

btn_editCustomer.setToolTipText("");

btn_editCustomer.setBorder(null);

btn_editCustomer.setBorderPainted(false);

btn_editCustomer.setEnabled(false);

btn_editCustomer.setFocusPainted(false);

btn_editCustomer.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_editCustomerActionPerformed(evt);

}

});

btn_deleteCustomer.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DeleteButton.png"))); // NOI18N

btn_deleteCustomer.setEnabled(false);

btn_deleteCustomer.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_deleteCustomerActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);

jPanel3.setLayout(jPanel3Layout);

jPanel3Layout.setHorizontalGroup(

jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel3Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addComponent(btn_deleteCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addComponent(btn_editCustomer, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel3Layout.createSequentialGroup()

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(jLabel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel3)

.addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, 54, Short.MAX_VALUE)

.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel5, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

.addGap(18, 18, 18)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(tf_id, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(tf_address)

.addComponent(tf_phone)

.addComponent(tf_name, javax.swing.GroupLayout.DEFAULT_SIZE, 181, Short.MAX_VALUE)

.addComponent(tf_type))))

.addComponent(btn_addCustomer, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))

.addContainerGap(42, Short.MAX_VALUE))

);

jPanel3Layout.setVerticalGroup(

jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel3Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel1)

.addComponent(tf_name, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel2)

.addComponent(tf_address, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel3)

.addComponent(tf_phone, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)

.addComponent(jLabel4)

.addComponent(tf_type, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(tf_id, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(jLabel5))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addComponent(btn_addCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 36, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addComponent(btn_editCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addComponent(btn_deleteCustomer, javax.swing.GroupLayout.PREFERRED_SIZE, 32, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(21, Short.MAX_VALUE))

);

btn_reset.setBackground(new java.awt.Color(204, 204, 255));

btn_reset.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/reset.png"))); // NOI18N

btn_reset.setToolTipText("Reset everything");

btn_reset.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_resetActionPerformed(evt);

}

});

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addContainerGap()

.addComponent(btn_reset, javax.swing.GroupLayout.PREFERRED_SIZE, 67, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(54, 54, 54)

.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 461, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap())

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(0, 28, Short.MAX_VALUE)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(45, Short.MAX_VALUE))

.addGroup(layout.createSequentialGroup()

.addGap(147, 147, 147)

.addComponent(btn_reset)

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

.addGroup(layout.createSequentialGroup()

.addGap(55, 55, 55)

.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

);

pack();

}// </editor-fold>

private void btn_addCustomerActionPerformed(java.awt.event.ActionEvent evt) {

ObjectCreation();

db.insertCustomer(user);

populateWithCustomerData();

emptyField();

}

private void ObjectCreation()

{

user = new UserInfo();

user.setName(tf_name.getText());

user.setAddress(tf_address.getText());

user.setPhone_no(tf_phone.getText());

user.setType(tf_type.getText());

try{

user.setCustomer_id(Integer.parseInt(tf_id.getText()));

}

catch(Exception ex)

{

user.setCustomer_id(0);

}

private void table_customerMouseClicked(java.awt.event.MouseEvent evt) {

user = new UserInfo();

int row = table_customer.getSelectedRow();

displayToTextField(row);

//ObjectCreation();

btn_editCustomer.setEnabled(true);

btn_deleteCustomer.setEnabled(true);

btn_addCustomer.setEnabled(false);

}

private void btn_resetActionPerformed(java.awt.event.ActionEvent evt) {

emptyField();

}

private void btn_editCustomerActionPerformed(java.awt.event.ActionEvent evt) {

ObjectCreation();

db.updateCustomer(user);

populateWithCustomerData();

emptyField();

}

private void btn_deleteCustomerActionPerformed(java.awt.event.ActionEvent evt) {

int row = table_customer.getSelectedRow();

int selectedUserId = (int) table_customer.getModel().getValueAt(row, 0);

try {

db.deleteCustomer(selectedUserId);

} catch (SQLException ex) {

Logger.getLogger(CustomerPanel.class.getName()).log(Level.SEVERE, null, ex);

}

populateWithCustomerData();

emptyField();

}

private void tf_phoneKeyTyped(java.awt.event.KeyEvent evt) {

char c = evt.getKeyChar();

if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))

{

evt.consume();

}

private void emptyField()

{

btn_addCustomer.setEnabled(true);

btn_editCustomer.setEnabled(false);

btn_deleteCustomer.setEnabled(false);

user = new UserInfo();

tf_address.setText("");

tf_id.setText("");

tf_name.setText("");

tf_phone.setText("");

tf_type.setText("");

table_customer.clearSelection();

}

private void displayToTextField(int row)

{

//System.out.println(table_customer.getModel().getValueAt(row, 0)+ " >>>>>>>>> ");

tf_id.setText(table_customer.getModel().getValueAt(row, 0)+"");

tf_name.setText((String) table_customer.getModel().getValueAt(row, 1));

tf_address.setText((String) table_customer.getModel().getValueAt(row, 2));

tf_phone.setText((String) table_customer.getModel().getValueAt(row, 3));

tf_type.setText((String) table_customer.getModel().getValueAt(row, 4));

}

In this module is for the customer information module.

The Code Given Below Is For The Rooms Module

package I3.UI;

import I3.DatabaseOperation.DatabaseOperation;
import I3.Classes.Room;
import I3.Classes.RoomFare;
import I3.DatabaseOperation.RoomDb;
import java.awt.Color;
import java.awt.event.KeyEvent;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
import net.proteanit.sql.DbUtils;

/**
 *
 * @author Angel Jude Suarez
 */
public class RoomPanel extends javax.swing.JDialog {

    /**
     * Creates new form RoomPanel
     */
    
    RoomFare roomType = new RoomFare();
    Room room = new Room("");
    
    ResultSet result;
    ArrayList&lt;String&gt; roomClass = new ArrayList&lt;&gt;();
    
    //DatabaseOperation db = new DatabaseOperation();
    RoomDb roomdb = new RoomDb();
    public RoomPanel(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
        this.getContentPane().setBackground(new Color(241,241,242));
        populateCombo();
        populateRoomTable();
        populateRoomTypeTable();
        
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // &lt;editor-fold defaultstate="collapsed" desc="Generated Code"&gt;                          
    private void initComponents() {

        tabbedPane = new javax.swing.JTabbedPane();
        jPanel1 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        table_rooms = new javax.swing.JTable();
        jPanel4 = new javax.swing.JPanel();
        check_phone = new javax.swing.JCheckBox();
        jLabel3 = new javax.swing.JLabel();
        tf_roomNo = new javax.swing.JTextField();
        combo_roomType = new javax.swing.JComboBox();
        jLabel1 = new javax.swing.JLabel();
        btn_edit = new javax.swing.JButton();
        jLabel6 = new javax.swing.JLabel();
        check_tv = new javax.swing.JCheckBox();
        check_wifi = new javax.swing.JCheckBox();
        jLabel2 = new javax.swing.JLabel();
        check_gizer = new javax.swing.JCheckBox();
        tf_roomID = new javax.swing.JTextField();
        btn_delete = new javax.swing.JButton();
        btn_add = new javax.swing.JButton();
        tf_beds = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jPanel3 = new javax.swing.JPanel();
        btn_addRoomType = new javax.swing.JButton();
        jLabel5 = new javax.swing.JLabel();
        btn_deleteRoomType = new javax.swing.JButton();
        tf_roomType = new javax.swing.JTextField();
        tf_price = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        btn_editRoomType = new javax.swing.JButton();
        jScrollPane2 = new javax.swing.JScrollPane();
        table_roomType = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        table_rooms.setModel(new javax.swing.table.DefaultTableModel(
            new Object &#91;]&#91;] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String &#91;] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        table_rooms.setToolTipText("");
        table_rooms.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                table_roomsMouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(table_rooms);

        jPanel4.setBackground(new java.awt.Color(230, 231, 232));

        check_phone.setText("Phone Service");

        jLabel3.setText("Beds");

        jLabel1.setText("Room ID");

        btn_edit.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/EditButton.png"))); // NOI18N
        btn_edit.setEnabled(false);
        btn_edit.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_editActionPerformed(evt);
            }
        });

        jLabel6.setText("Category");

        check_tv.setText("TV");

        check_wifi.setText("WIFI");
        check_wifi.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                check_wifiActionPerformed(evt);
            }
        });

        jLabel2.setText("Room No");

        check_gizer.setText("Gizer");

        tf_roomID.setEditable(false);
        tf_roomID.setBackground(new java.awt.Color(204, 204, 255));

        btn_delete.setBackground(new java.awt.Color(255, 0, 0));
        btn_delete.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DeleteButton.png"))); // NOI18N
        btn_delete.setEnabled(false);
        btn_delete.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_deleteActionPerformed(evt);
            }
        });

        btn_add.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DefaultButton.png"))); // NOI18N
        btn_add.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_addActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
        jPanel4.setLayout(jPanel4Layout);
        jPanel4Layout.setHorizontalGroup(
            jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel4Layout.createSequentialGroup()
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(jPanel4Layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                            .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jLabel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                            .addComponent(jLabel6, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE))
                        .addGap(18, 18, 18)
                        .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(combo_roomType, 0, 100, Short.MAX_VALUE)
                            .addComponent(tf_roomID)
                            .addComponent(tf_roomNo)
                            .addComponent(tf_beds)))
                    .addGroup(jPanel4Layout.createSequentialGroup()
                        .addGap(40, 40, 40)
                        .addComponent(check_tv, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addComponent(check_phone))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel4Layout.createSequentialGroup()
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(btn_add, javax.swing.GroupLayout.PREFERRED_SIZE, 191, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGroup(jPanel4Layout.createSequentialGroup()
                                .addComponent(check_wifi, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(check_gizer, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addComponent(btn_edit, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                            .addComponent(btn_delete, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))))
                .addContainerGap(76, Short.MAX_VALUE))
        );
        jPanel4Layout.setVerticalGroup(
            jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel4Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(tf_roomID, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(tf_roomNo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(tf_beds, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel6)
                    .addComponent(combo_roomType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 66, Short.MAX_VALUE)
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(check_tv)
                    .addComponent(check_phone))
                .addGap(18, 18, 18)
                .addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(check_gizer)
                    .addComponent(check_wifi))
                .addGap(18, 18, 18)
                .addComponent(btn_add, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(btn_edit, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(btn_delete, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(106, 106, 106))
        );

        jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/reset.png"))); // NOI18N
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addGap(25, 25, 25)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 86, Short.MAX_VALUE)
                .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(53, 53, 53)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 677, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(29, 29, 29)
                        .addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(0, 0, Short.MAX_VALUE)))
                .addContainerGap())
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(191, 191, 191)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        tabbedPane.addTab("Room Information", jPanel1);

        jPanel3.setBackground(new java.awt.Color(230, 231, 232));

        btn_addRoomType.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DefaultButton.png"))); // NOI18N
        btn_addRoomType.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_addRoomTypeActionPerformed(evt);
            }
        });

        jLabel5.setText("Price");

        btn_deleteRoomType.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DeleteButton.png"))); // NOI18N
        btn_deleteRoomType.setEnabled(false);
        btn_deleteRoomType.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_deleteRoomTypeActionPerformed(evt);
            }
        });

        tf_price.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                tf_priceKeyTyped(evt);
            }
        });

        jLabel4.setText("Room Type");

        btn_editRoomType.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/EditButton.png"))); // NOI18N
        btn_editRoomType.setEnabled(false);
        btn_editRoomType.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_editRoomTypeActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(jPanel3Layout.createSequentialGroup()
                                .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(tf_roomType, javax.swing.GroupLayout.PREFERRED_SIZE, 146, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(jPanel3Layout.createSequentialGroup()
                                .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, 146, javax.swing.GroupLayout.PREFERRED_SIZE))))
                    .addGroup(jPanel3Layout.createSequentialGroup()
                        .addGap(99, 99, 99)
                        .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(btn_editRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(btn_addRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(btn_deleteRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE))))
                .addContainerGap(123, Short.MAX_VALUE))
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addGap(55, 55, 55)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(tf_roomType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel4))
                .addGap(29, 29, 29)
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel5)
                    .addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(31, 31, 31)
                .addComponent(btn_addRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(btn_editRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(btn_deleteRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(56, Short.MAX_VALUE))
        );

        table_roomType.setModel(new javax.swing.table.DefaultTableModel(
            new Object &#91;]&#91;] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String &#91;] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        table_roomType.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                table_roomTypeMouseClicked(evt);
            }
        });
        jScrollPane2.setViewportView(table_roomType);

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addGap(256, 256, 256)
                .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 26, Short.MAX_VALUE)
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 417, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(87, 87, 87))
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel2Layout.createSequentialGroup()
                        .addGap(31, 31, 31)
                        .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 402, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(jPanel2Layout.createSequentialGroup()
                        .addGap(85, 85, 85)
                        .addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(128, Short.MAX_VALUE))
        );

        tabbedPane.addTab("Room Class", jPanel2);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(tabbedPane)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(tabbedPane)
        );

        pack();
    }// &lt;/editor-fold&gt;                        

    private void btn_addRoomTypeActionPerformed(java.awt.event.ActionEvent evt) {                                                
        roomTypeObjectCreation();
        roomdb.insertRoomType(roomType);
        //populateRoomTable();
        populateRoomTypeTable();
        
    }                                               

    private void populateCombo()
    {
        try {
            ResultSet rs = roomdb.getRoomType();
            while(rs.next())
            {
                roomClass.add(rs.getString("type"));
                combo_roomType.addItem(rs.getString("type"));
            }
          
        } catch (SQLException ex) {
            JOptionPane.showMessageDialog(this, "Combo Fillup failed");
        }
    
    }
    
    private void populateRoomTypeTable()
    {
        //System.out.println(tabbedPane.getSelectedIndex());
        result = roomdb.getRoomType();
        table_roomType.setModel(DbUtils.resultSetToTableModel(result));
        roomdb.flushAll();
    }
    
    private void populateRoomTable()
    {
        result = roomdb.getRooms();
        table_rooms.setModel(DbUtils.resultSetToTableModel(result));
        roomdb.flushAll();
    }
    
    private void tf_priceKeyTyped(java.awt.event.KeyEvent evt) {                                  
        char c = evt.getKeyChar();
        
        if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))
        {
            evt.consume();
        }
    }                                 

    private void btn_addActionPerformed(java.awt.event.ActionEvent evt) {                                        
       
       roomObjectCreation();
       roomdb.insertRoom(room);
       populateRoomTable();
       clearRoomPanel();
        
        //System.out.println(combo_roomType.getSelectedItem().toString());
        
    }                                       

    private void btn_editRoomTypeActionPerformed(java.awt.event.ActionEvent evt) {                                                 
        roomTypeObjectCreation();
        roomdb.updateRoomType(roomType);
        populateRoomTypeTable();
        btn_editRoomType.setEnabled(false);
        btn_addRoomType.setEnabled(true);
        
        
    }                                                

    private void table_roomTypeMouseClicked(java.awt.event.MouseEvent evt) {                                            
        roomType = new RoomFare();
        int row = table_roomType.getSelectedRow();
        displayToTextField(row);
        btn_addRoomType.setEnabled(false);
        btn_editRoomType.setEnabled(true);
        btn_deleteRoomType.setEnabled(true);
    }                                           

    private void table_roomsMouseClicked(java.awt.event.MouseEvent evt) {                                         
        room = new Room(null);
        btn_edit.setEnabled(true);
        btn_delete.setEnabled(true);
        btn_add.setEnabled(false);
        int row = table_rooms.getSelectedRow();
        displayToRoomTextField(row);
       // System.out.println(table_rooms.getValueAt(row, 1)+"");
        //System.out.println("&gt;&gt;&gt;&gt;&gt;&gt;&gt; "+row );
        
    }                                        

    private void btn_editActionPerformed(java.awt.event.ActionEvent evt) {                                         
        roomObjectCreation();
        roomdb.updateRoom(room);
        populateRoomTable();
        clearRoomPanel();
        btn_add.setEnabled(true);
        
    }                                        

    private void btn_deleteActionPerformed(java.awt.event.ActionEvent evt) {                                           
        int roomId =Integer.parseInt( tf_roomID.getText() );
        roomdb.deleteRoom(roomId);
        populateRoomTable();
        clearRoomPanel();
        btn_add.setEnabled(true);
    }                                          

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        clearRoomPanel();
    }                                        

    private void btn_deleteRoomTypeActionPerformed(java.awt.event.ActionEvent evt) {                                                   
        //int roomId =Integer.parseInt( tf_roomType.getText() );
        
        JOptionPane.showMessageDialog(null, "no method written yet");
        
    }                                                  

    private void check_wifiActionPerformed(java.awt.event.ActionEvent evt) {                                           
        // TODO add your handling code here:
    }                                          

    private void clearRoomPanel()
    {
        
        room = new Room(null);
        tf_beds.setText("");
        tf_price.setText("");
        tf_roomID.setText("");
        tf_roomNo.setText("");
        tf_roomType.setText("");
        table_rooms.clearSelection();
        check_gizer.setSelected(false);
        check_phone.setSelected(false);
        check_tv.setSelected(false);
        check_wifi.setSelected(false);
        combo_roomType.setSelectedIndex(0);
        
        btn_add.setEnabled(true);
        btn_edit.setEnabled(false);
        btn_delete.setEnabled(false);
        
        
        
        
    }
    
    private void clearRoomTypePanel()
    {
        roomType = new RoomFare();
        tf_roomType.setText("");
        tf_price.setText("");
        btn_addRoomType.setEnabled(true);
        btn_editRoomType.setEnabled(false);
        btn_deleteRoomType.setEnabled(false);
    }
    
    private void displayToRoomTextField(int row)
    {
       // for(int i=0; combo_roomType.)
        tf_roomID.setText(table_rooms.getModel().getValueAt(row, 0)+"");
        tf_roomNo.setText(table_rooms.getModel().getValueAt(row, 1)+"");
        tf_beds.setText(table_rooms.getModel().getValueAt(row, 2)+"");
        check_tv.setSelected((table_rooms.getModel().getValueAt(row, 3)+"").equals("true") ? true:false);
        check_wifi.setSelected((table_rooms.getModel().getValueAt(row, 4)+"").equals("true") ? true:false);
        check_gizer.setSelected((table_rooms.getModel().getValueAt(row, 5)+"").equals("true") ? true:false);
        check_phone.setSelected((table_rooms.getModel().getValueAt(row, 6)+"").equals("true") ? true:false);
        int selectedIndex = getComboSearchIndex(table_rooms.getModel().getValueAt(row, 7)+"");  
        combo_roomType.setSelectedIndex(selectedIndex);
        //tv,wifi,gizer,phone
        //value ? "true" : "false";
        
    }
      private void displayToTextField(int row) {
          tf_roomType.setText(table_roomType.getModel().getValueAt(row, 0)+"");
          tf_price.setText(table_roomType.getModel().getValueAt(row, 1)+"");
          
        }
      
      private int getComboSearchIndex(String item)
      {
          for( int i=0;i&lt;roomClass.size() ; i++)
          {
              if(item.equals(roomClass.get(i)))
              {
                  return i;
              }
          }
          return -1;
      }
    
    private void roomObjectCreation()
    {
        // ************************************** null add korsi "" er jaygay  *********************
        room = new Room(null);
        room.setRoom_no(tf_roomNo.getText());
        room.setBed_number(Integer.parseInt(tf_beds.getText()));
        room.setHasTV(check_tv.isSelected());
        room.setHasWIFI(check_wifi.isSelected());
        room.setHasGizer(check_gizer.isSelected());
        room.setHasPhone(check_phone.isSelected());
        
        // setting the inner object of RoomType
        
        room.setRoom_class(new RoomFare());
        room.getRoom_class().setRoom_type(combo_roomType.getSelectedItem().toString());
        
        try
        {
            room.setRoom_id(Integer.parseInt(tf_roomID.getText()));
        }
        catch(Exception ex)
        {
            room.setRoom_id(-1);
        }
    }
    private void roomTypeObjectCreation()
    {
        roomType = new RoomFare();
        roomType.setRoom_type(tf_roomType.getText());
        roomType.setPricePerDay(Integer.parseInt(tf_price.getText()));
    }

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package I3.UI;

import I3.DatabaseOperation.DatabaseOperation;

import I3.Classes.Room;

import I3.Classes.RoomFare;

import I3.DatabaseOperation.RoomDb;

import java.awt.Color;

import java.awt.event.KeyEvent;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.ArrayList;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JComboBox;

import javax.swing.JOptionPane;

import net.proteanit.sql.DbUtils;

/**

* @author Angel Jude Suarez

public class RoomPanel extends javax.swing.JDialog {

/**

* Creates new form RoomPanel

RoomFare roomType = new RoomFare();

Room room = new Room("");

ResultSet result;

ArrayList<String> roomClass = new ArrayList<>();

//DatabaseOperation db = new DatabaseOperation();

RoomDb roomdb = new RoomDb();

public RoomPanel(java.awt.Frame parent, boolean modal) {

super(parent, modal);

initComponents();

this.getContentPane().setBackground(new Color(241,241,242));

populateCombo();

populateRoomTable();

populateRoomTypeTable();

}

/**

* This method is called from within the constructor to initialize the form.

* WARNING: Do NOT modify this code. The content of this method is always

* regenerated by the Form Editor.

@SuppressWarnings("unchecked")

// <editor-fold defaultstate="collapsed" desc="Generated Code">

private void initComponents() {

tabbedPane = new javax.swing.JTabbedPane();

jPanel1 = new javax.swing.JPanel();

jScrollPane1 = new javax.swing.JScrollPane();

table_rooms = new javax.swing.JTable();

jPanel4 = new javax.swing.JPanel();

check_phone = new javax.swing.JCheckBox();

jLabel3 = new javax.swing.JLabel();

tf_roomNo = new javax.swing.JTextField();

combo_roomType = new javax.swing.JComboBox();

jLabel1 = new javax.swing.JLabel();

btn_edit = new javax.swing.JButton();

jLabel6 = new javax.swing.JLabel();

check_tv = new javax.swing.JCheckBox();

check_wifi = new javax.swing.JCheckBox();

jLabel2 = new javax.swing.JLabel();

check_gizer = new javax.swing.JCheckBox();

tf_roomID = new javax.swing.JTextField();

btn_delete = new javax.swing.JButton();

btn_add = new javax.swing.JButton();

tf_beds = new javax.swing.JTextField();

jButton1 = new javax.swing.JButton();

jPanel2 = new javax.swing.JPanel();

jPanel3 = new javax.swing.JPanel();

btn_addRoomType = new javax.swing.JButton();

jLabel5 = new javax.swing.JLabel();

btn_deleteRoomType = new javax.swing.JButton();

tf_roomType = new javax.swing.JTextField();

tf_price = new javax.swing.JTextField();

jLabel4 = new javax.swing.JLabel();

btn_editRoomType = new javax.swing.JButton();

jScrollPane2 = new javax.swing.JScrollPane();

table_roomType = new javax.swing.JTable();

setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

table_rooms.setModel(new javax.swing.table.DefaultTableModel(

new Object [][] {

{null, null, null, null},

{null, null, null, null}

new String [] {

"Title 1", "Title 2", "Title 3", "Title 4"

}

));

table_rooms.setToolTipText("");

table_rooms.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(java.awt.event.MouseEvent evt) {

table_roomsMouseClicked(evt);

}

});

jScrollPane1.setViewportView(table_rooms);

jPanel4.setBackground(new java.awt.Color(230, 231, 232));

check_phone.setText("Phone Service");

jLabel3.setText("Beds");

jLabel1.setText("Room ID");

btn_edit.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/EditButton.png"))); // NOI18N

btn_edit.setEnabled(false);

btn_edit.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_editActionPerformed(evt);

}

});

jLabel6.setText("Category");

check_tv.setText("TV");

check_wifi.setText("WIFI");

check_wifi.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

check_wifiActionPerformed(evt);

}

});

jLabel2.setText("Room No");

check_gizer.setText("Gizer");

tf_roomID.setEditable(false);

tf_roomID.setBackground(new java.awt.Color(204, 204, 255));

btn_delete.setBackground(new java.awt.Color(255, 0, 0));

btn_delete.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DeleteButton.png"))); // NOI18N

btn_delete.setEnabled(false);

btn_delete.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_deleteActionPerformed(evt);

}

});

btn_add.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DefaultButton.png"))); // NOI18N

btn_add.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_addActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);

jPanel4.setLayout(jPanel4Layout);

jPanel4Layout.setHorizontalGroup(

jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel4Layout.createSequentialGroup()

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addGroup(jPanel4Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel6, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 80, Short.MAX_VALUE))

.addGap(18, 18, 18)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(combo_roomType, 0, 100, Short.MAX_VALUE)

.addComponent(tf_roomID)

.addComponent(tf_roomNo)

.addComponent(tf_beds)))

.addGroup(jPanel4Layout.createSequentialGroup()

.addGap(40, 40, 40)

.addComponent(check_tv, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(check_phone))

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel4Layout.createSequentialGroup()

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(btn_add, javax.swing.GroupLayout.PREFERRED_SIZE, 191, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGroup(jPanel4Layout.createSequentialGroup()

.addComponent(check_wifi, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(check_gizer, javax.swing.GroupLayout.PREFERRED_SIZE, 93, javax.swing.GroupLayout.PREFERRED_SIZE))

.addComponent(btn_edit, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)

.addComponent(btn_delete, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))))

.addContainerGap(76, Short.MAX_VALUE))

);

jPanel4Layout.setVerticalGroup(

jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel4Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel1)

.addComponent(tf_roomID, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel2)

.addComponent(tf_roomNo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel3)

.addComponent(tf_beds, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel6)

.addComponent(combo_roomType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 66, Short.MAX_VALUE)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(check_tv)

.addComponent(check_phone))

.addGap(18, 18, 18)

.addGroup(jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(check_gizer)

.addComponent(check_wifi))

.addGap(18, 18, 18)

.addComponent(btn_add, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(btn_edit, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(btn_delete, javax.swing.GroupLayout.PREFERRED_SIZE, 31, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(106, 106, 106))

);

jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/reset.png"))); // NOI18N

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton1ActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);

jPanel1.setLayout(jPanel1Layout);

jPanel1Layout.setHorizontalGroup(

jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()

.addGap(25, 25, 25)

.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 86, Short.MAX_VALUE)

.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(53, 53, 53)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 677, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap())

);

jPanel1Layout.setVerticalGroup(

jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel1Layout.createSequentialGroup()

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel1Layout.createSequentialGroup()

.addContainerGap()

.addComponent(jScrollPane1))

.addGroup(jPanel1Layout.createSequentialGroup()

.addGap(29, 29, 29)

.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(0, 0, Short.MAX_VALUE)))

.addContainerGap())

.addGroup(jPanel1Layout.createSequentialGroup()

.addGap(191, 191, 191)

.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

);

tabbedPane.addTab("Room Information", jPanel1);

jPanel3.setBackground(new java.awt.Color(230, 231, 232));

btn_addRoomType.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DefaultButton.png"))); // NOI18N

btn_addRoomType.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_addRoomTypeActionPerformed(evt);

}

});

jLabel5.setText("Price");

btn_deleteRoomType.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/DeleteButton.png"))); // NOI18N

btn_deleteRoomType.setEnabled(false);

btn_deleteRoomType.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_deleteRoomTypeActionPerformed(evt);

}

});

tf_price.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyTyped(java.awt.event.KeyEvent evt) {

tf_priceKeyTyped(evt);

}

});

jLabel4.setText("Room Type");

btn_editRoomType.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/EditButton.png"))); // NOI18N

btn_editRoomType.setEnabled(false);

btn_editRoomType.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_editRoomTypeActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);

jPanel3.setLayout(jPanel3Layout);

jPanel3Layout.setHorizontalGroup(

jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel3Layout.createSequentialGroup()

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel3Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel3Layout.createSequentialGroup()

.addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(tf_roomType, javax.swing.GroupLayout.PREFERRED_SIZE, 146, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGroup(jPanel3Layout.createSequentialGroup()

.addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, 146, javax.swing.GroupLayout.PREFERRED_SIZE))))

.addGroup(jPanel3Layout.createSequentialGroup()

.addGap(99, 99, 99)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)

.addComponent(btn_editRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(btn_addRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(btn_deleteRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 200, javax.swing.GroupLayout.PREFERRED_SIZE))))

.addContainerGap(123, Short.MAX_VALUE))

);

jPanel3Layout.setVerticalGroup(

jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel3Layout.createSequentialGroup()

.addGap(55, 55, 55)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(tf_roomType, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(jLabel4))

.addGap(29, 29, 29)

.addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(jLabel5)

.addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(31, 31, 31)

.addComponent(btn_addRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(btn_editRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(btn_deleteRoomType, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(56, Short.MAX_VALUE))

);

table_roomType.setModel(new javax.swing.table.DefaultTableModel(

new Object [][] {

{null, null, null, null},

{null, null, null, null}

new String [] {

"Title 1", "Title 2", "Title 3", "Title 4"

}

));

table_roomType.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(java.awt.event.MouseEvent evt) {

table_roomTypeMouseClicked(evt);

}

});

jScrollPane2.setViewportView(table_roomType);

javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);

jPanel2.setLayout(jPanel2Layout);

jPanel2Layout.setHorizontalGroup(

jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel2Layout.createSequentialGroup()

.addGap(256, 256, 256)

.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 26, Short.MAX_VALUE)

.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 417, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(87, 87, 87))

);

jPanel2Layout.setVerticalGroup(

jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel2Layout.createSequentialGroup()

.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel2Layout.createSequentialGroup()

.addGap(31, 31, 31)

.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 402, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGroup(jPanel2Layout.createSequentialGroup()

.addGap(85, 85, 85)

.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))

.addContainerGap(128, Short.MAX_VALUE))

);

tabbedPane.addTab("Room Class", jPanel2);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(tabbedPane)

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(tabbedPane)

);

pack();

}// </editor-fold>

private void btn_addRoomTypeActionPerformed(java.awt.event.ActionEvent evt) {

roomTypeObjectCreation();

roomdb.insertRoomType(roomType);

//populateRoomTable();

populateRoomTypeTable();

}

private void populateCombo()

{

try {

ResultSet rs = roomdb.getRoomType();

while(rs.next())

{

roomClass.add(rs.getString("type"));

combo_roomType.addItem(rs.getString("type"));

}

} catch (SQLException ex) {

JOptionPane.showMessageDialog(this, "Combo Fillup failed");

}

private void populateRoomTypeTable()

{

//System.out.println(tabbedPane.getSelectedIndex());

result = roomdb.getRoomType();

table_roomType.setModel(DbUtils.resultSetToTableModel(result));

roomdb.flushAll();

}

private void populateRoomTable()

{

result = roomdb.getRooms();

table_rooms.setModel(DbUtils.resultSetToTableModel(result));

roomdb.flushAll();

}

private void tf_priceKeyTyped(java.awt.event.KeyEvent evt) {

char c = evt.getKeyChar();

if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))

{

evt.consume();

}

private void btn_addActionPerformed(java.awt.event.ActionEvent evt) {

roomObjectCreation();

roomdb.insertRoom(room);

populateRoomTable();

clearRoomPanel();

//System.out.println(combo_roomType.getSelectedItem().toString());

}

private void btn_editRoomTypeActionPerformed(java.awt.event.ActionEvent evt) {

roomTypeObjectCreation();

roomdb.updateRoomType(roomType);

populateRoomTypeTable();

btn_editRoomType.setEnabled(false);

btn_addRoomType.setEnabled(true);

}

private void table_roomTypeMouseClicked(java.awt.event.MouseEvent evt) {

roomType = new RoomFare();

int row = table_roomType.getSelectedRow();

displayToTextField(row);

btn_addRoomType.setEnabled(false);

btn_editRoomType.setEnabled(true);

btn_deleteRoomType.setEnabled(true);

}

private void table_roomsMouseClicked(java.awt.event.MouseEvent evt) {

room = new Room(null);

btn_edit.setEnabled(true);

btn_delete.setEnabled(true);

btn_add.setEnabled(false);

int row = table_rooms.getSelectedRow();

displayToRoomTextField(row);

// System.out.println(table_rooms.getValueAt(row, 1)+"");

//System.out.println(">>>>>>> "+row );

}

private void btn_editActionPerformed(java.awt.event.ActionEvent evt) {

roomObjectCreation();

roomdb.updateRoom(room);

populateRoomTable();

clearRoomPanel();

btn_add.setEnabled(true);

}

private void btn_deleteActionPerformed(java.awt.event.ActionEvent evt) {

int roomId =Integer.parseInt( tf_roomID.getText() );

roomdb.deleteRoom(roomId);

populateRoomTable();

clearRoomPanel();

btn_add.setEnabled(true);

}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

clearRoomPanel();

}

private void btn_deleteRoomTypeActionPerformed(java.awt.event.ActionEvent evt) {

//int roomId =Integer.parseInt( tf_roomType.getText() );

JOptionPane.showMessageDialog(null, "no method written yet");

}

private void check_wifiActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here:

}

private void clearRoomPanel()

{

room = new Room(null);

tf_beds.setText("");

tf_price.setText("");

tf_roomID.setText("");

tf_roomNo.setText("");

tf_roomType.setText("");

table_rooms.clearSelection();

check_gizer.setSelected(false);

check_phone.setSelected(false);

check_tv.setSelected(false);

check_wifi.setSelected(false);

combo_roomType.setSelectedIndex(0);

btn_add.setEnabled(true);

btn_edit.setEnabled(false);

btn_delete.setEnabled(false);

}

private void clearRoomTypePanel()

{

roomType = new RoomFare();

tf_roomType.setText("");

tf_price.setText("");

btn_addRoomType.setEnabled(true);

btn_editRoomType.setEnabled(false);

btn_deleteRoomType.setEnabled(false);

}

private void displayToRoomTextField(int row)

{

// for(int i=0; combo_roomType.)

tf_roomID.setText(table_rooms.getModel().getValueAt(row, 0)+"");

tf_roomNo.setText(table_rooms.getModel().getValueAt(row, 1)+"");

tf_beds.setText(table_rooms.getModel().getValueAt(row, 2)+"");

check_tv.setSelected((table_rooms.getModel().getValueAt(row, 3)+"").equals("true") ? true:false);

check_wifi.setSelected((table_rooms.getModel().getValueAt(row, 4)+"").equals("true") ? true:false);

check_gizer.setSelected((table_rooms.getModel().getValueAt(row, 5)+"").equals("true") ? true:false);

check_phone.setSelected((table_rooms.getModel().getValueAt(row, 6)+"").equals("true") ? true:false);

int selectedIndex = getComboSearchIndex(table_rooms.getModel().getValueAt(row, 7)+"");

combo_roomType.setSelectedIndex(selectedIndex);

//tv,wifi,gizer,phone

//value ? "true" : "false";

}

private void displayToTextField(int row) {

tf_roomType.setText(table_roomType.getModel().getValueAt(row, 0)+"");

tf_price.setText(table_roomType.getModel().getValueAt(row, 1)+"");

}

private int getComboSearchIndex(String item)

{

for( int i=0;i<roomClass.size() ; i++)

{

if(item.equals(roomClass.get(i)))

{

return i;

}

return -1;

}

private void roomObjectCreation()

{

// ************************************** null add korsi "" er jaygay *********************

room = new Room(null);

room.setRoom_no(tf_roomNo.getText());

room.setBed_number(Integer.parseInt(tf_beds.getText()));

room.setHasTV(check_tv.isSelected());

room.setHasWIFI(check_wifi.isSelected());

room.setHasGizer(check_gizer.isSelected());

room.setHasPhone(check_phone.isSelected());

// setting the inner object of RoomType

room.setRoom_class(new RoomFare());

room.getRoom_class().setRoom_type(combo_roomType.getSelectedItem().toString());

try

{

room.setRoom_id(Integer.parseInt(tf_roomID.getText()));

}

catch(Exception ex)

{

room.setRoom_id(-1);

}

private void roomTypeObjectCreation()

{

roomType = new RoomFare();

roomType.setRoom_type(tf_roomType.getText());

roomType.setPricePerDay(Integer.parseInt(tf_price.getText()));

}

In this module which is the room module of the system.

The Code Given Below Is For The Order Module

package I3.UI;

import I3.Classes.Order;
import I3.DatabaseOperation.BookingDb;
import I3.DatabaseOperation.DatabaseOperation;
import I3.DatabaseOperation.FoodDb;
import I3.DatabaseOperation.ItemDb;
import I3.DatabaseOperation.OrderDb;
import java.awt.Color;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.print.Book;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Vector;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JOptionPane;
import javax.swing.text.JTextComponent;
import net.proteanit.sql.DbUtils;
import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;

/**
 *
 * @author Angel Jude Suarez
 */
public class OrderPanel extends javax.swing.JDialog {

    /**
     * Creates new form OrderPanel
     */
    
    Vector&lt;String&gt; bookingList = new Vector();
    BookingDb db = new BookingDb();
    ResultSet result;
    FoodDb foodDb = new FoodDb();
    ItemDb itemDb = new ItemDb();
  //  OrderDb orderDb = new OrderDb();
    public OrderPanel(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
        this.getContentPane().setBackground(new Color(241,241,242));
        searchHelper();
        populateFoodTable();
        populateItemTable();
        AutoCompleteDecorator.decorate(combo_booking);
    }
    
    public void searchHelper()
    {
         final DefaultComboBoxModel model = new DefaultComboBoxModel(bookingList);
        combo_booking.setModel(model);
        
        
        JTextComponent editor = (JTextComponent) combo_booking.getEditor().getEditorComponent();
        editor.addKeyListener(new KeyAdapter() {

            @Override
            public void keyTyped(KeyEvent evt)
            {
               
                if(evt.getKeyChar() == KeyEvent.VK_ENTER)
                {
                    String details = (String) combo_booking.getSelectedItem();
                    //System.out.println(details);
                    if(!details.contains(","))
                    {
                        JOptionPane.showMessageDialog(null, "no booking found, try adding a new booking");
                    }
                    else
                    {
                        int bookinId = Integer.parseInt(details.substring(details.lastIndexOf(",")+1));
                        tf_bookingId.setText(bookinId+"");
                        // A if condition should be here, but not required as the last line has no chance of returning -1.
                        
                    }
                    
                }
                
                
                
                /// suggestion generation
                
                 String value = "";
                try {
                    value = combo_booking.getEditor().getItem().toString();
                       // System.out.println(value +" &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;");

                } catch (Exception ex) {
                }
                if (value.length() &gt;= 2) {

                   // System.out.println("working");
                    bookingComboFill(db.bookingsReadyForOrder(value));
                    db.flushAll();
                }

            }
        });
    }
    
    public void bookingComboFill(ResultSet result)
    {
        bookingList.clear();
        try {
            
            while (result.next()) {
               // System.out.println("&gt;&gt;&gt;&gt;&gt;&gt; "+result.getString("name"));
                bookingList.add(result.getString("booking_room") + ", " + result.getString("name") + "," + result.getString("booking_id"));
            }
        } catch (SQLException ex) {
            JOptionPane.showMessageDialog(null, "bookingCombo fill error");
        }

    }
    
     private void populateFoodTable() {
        result = foodDb.getFoods();
        table_food.setModel(DbUtils.resultSetToTableModel(result));
        foodDb.flushAll();
    }
     
     private void populateItemTable()
     {
        result = itemDb.getItems();
        table_item.setModel(DbUtils.resultSetToTableModel(result));
        itemDb.flushAll();
     }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // &lt;editor-fold defaultstate="collapsed" desc="Generated Code"&gt;                          
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        table_food = new javax.swing.JTable();
        jScrollPane2 = new javax.swing.JScrollPane();
        table_item = new javax.swing.JTable();
        jPanel1 = new javax.swing.JPanel();
        tf_foodItem = new javax.swing.JTextField();
        tf_quantity = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        tf_price = new javax.swing.JTextField();
        tf_total = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        tf_bookingId = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        combo_booking = new javax.swing.JComboBox();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        table_food.setModel(new javax.swing.table.DefaultTableModel(
            new Object &#91;]&#91;] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String &#91;] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        table_food.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                table_foodMouseClicked(evt);
            }
        });
        jScrollPane1.setViewportView(table_food);

        table_item.setModel(new javax.swing.table.DefaultTableModel(
            new Object &#91;]&#91;] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String &#91;] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        table_item.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                table_itemMouseClicked(evt);
            }
        });
        jScrollPane2.setViewportView(table_item);

        jPanel1.setBackground(new java.awt.Color(230, 231, 232));

        tf_quantity.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(java.awt.event.KeyEvent evt) {
                tf_quantityKeyReleased(evt);
            }
            public void keyTyped(java.awt.event.KeyEvent evt) {
                tf_quantityKeyTyped(evt);
            }
        });

        jLabel1.setText("Item/Food");

        jLabel2.setText("Quantity");

        tf_price.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                tf_priceKeyTyped(evt);
            }
        });

        jLabel3.setText("Total");

        tf_bookingId.setBackground(new java.awt.Color(204, 255, 0));

        jLabel4.setText("Price");

        combo_booking.setEditable(true);

        jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/SaveButton.png"))); // NOI18N
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                        .addComponent(combo_booking, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(jPanel1Layout.createSequentialGroup()
                            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                                .addComponent(jLabel4, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jLabel3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGap(18, 18, 18)
                            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addComponent(tf_bookingId)
                                .addComponent(tf_foodItem)
                                .addComponent(tf_quantity)
                                .addComponent(tf_total)
                                .addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE))))
                    .addComponent(jButton1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 150, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(114, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(combo_booking, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(tf_bookingId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(19, 19, 19)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(tf_foodItem, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(10, 10, 10)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4)
                    .addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(tf_quantity, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel2))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(tf_total, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(91, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap(71, Short.MAX_VALUE)
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(47, 47, 47)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 251, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(45, 45, 45)
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 284, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(55, 55, 55)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                    .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))
                .addContainerGap(66, Short.MAX_VALUE))
        );

        pack();
    }// &lt;/editor-fold&gt;                        

    private void table_foodMouseClicked(java.awt.event.MouseEvent evt) {                                        
        int row = table_food.getSelectedRow();
        displayToTextField(row);
    }                                       

    private void tf_quantityKeyReleased(java.awt.event.KeyEvent evt) {                                        
       int price = Integer.parseInt(tf_price.getText());
        try{
           int quantity = Integer.parseInt(tf_quantity.getText());
            tf_total.setText(quantity*price+"");
       }catch(Exception ex)
       {
       }
    }                                       

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        db.insertOrder(new Order(
                Integer.parseInt(tf_bookingId.getText()),
                tf_foodItem.getText(),
                Integer.parseInt(tf_price.getText()),
                Integer.parseInt(tf_quantity.getText()),
                Integer.parseInt(tf_total.getText())
                
        ));
    }                                        

    private void table_itemMouseClicked(java.awt.event.MouseEvent evt) {                                        
        int row = table_item.getSelectedRow();
        displayToTextFieldFromItem(row);
    }                                       

    private void tf_priceKeyTyped(java.awt.event.KeyEvent evt) {                                  
        char c = evt.getKeyChar();
        
        if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))
        {
            evt.consume();
        }
    }                                 

    private void tf_quantityKeyTyped(java.awt.event.KeyEvent evt) {                                     
        char c = evt.getKeyChar();
        
        if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))
        {
            evt.consume();
        }
    }                                    

    
     private void displayToTextField(int row) {
        tf_foodItem.setText(table_food.getModel().getValueAt(row, 1)+"");
        tf_price.setText(table_food.getModel().getValueAt(row, 2)+"");
       
    }
     private void displayToTextFieldFromItem(int row) {
        tf_foodItem.setText(table_item.getModel().getValueAt(row, 1)+"");
        tf_price.setText(table_item.getModel().getValueAt(row, 2)+"");
       
    }

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package I3.UI;

import I3.Classes.Order;

import I3.DatabaseOperation.BookingDb;

import I3.DatabaseOperation.DatabaseOperation;

import I3.DatabaseOperation.FoodDb;

import I3.DatabaseOperation.ItemDb;

import I3.DatabaseOperation.OrderDb;

import java.awt.Color;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.awt.print.Book;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.Vector;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JOptionPane;

import javax.swing.text.JTextComponent;

import net.proteanit.sql.DbUtils;

import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;

/**

* @author Angel Jude Suarez

public class OrderPanel extends javax.swing.JDialog {

/**

* Creates new form OrderPanel

Vector<String> bookingList = new Vector();

BookingDb db = new BookingDb();

ResultSet result;

FoodDb foodDb = new FoodDb();

ItemDb itemDb = new ItemDb();

// OrderDb orderDb = new OrderDb();

public OrderPanel(java.awt.Frame parent, boolean modal) {

super(parent, modal);

initComponents();

this.getContentPane().setBackground(new Color(241,241,242));

searchHelper();

populateFoodTable();

populateItemTable();

AutoCompleteDecorator.decorate(combo_booking);

}

public void searchHelper()

{

final DefaultComboBoxModel model = new DefaultComboBoxModel(bookingList);

combo_booking.setModel(model);

JTextComponent editor = (JTextComponent) combo_booking.getEditor().getEditorComponent();

editor.addKeyListener(new KeyAdapter() {

@Override

public void keyTyped(KeyEvent evt)

{

if(evt.getKeyChar() == KeyEvent.VK_ENTER)

{

String details = (String) combo_booking.getSelectedItem();

//System.out.println(details);

if(!details.contains(","))

{

JOptionPane.showMessageDialog(null, "no booking found, try adding a new booking");

}

else

{

int bookinId = Integer.parseInt(details.substring(details.lastIndexOf(",")+1));

tf_bookingId.setText(bookinId+"");

// A if condition should be here, but not required as the last line has no chance of returning -1.

}

/// suggestion generation

String value = "";

try {

value = combo_booking.getEditor().getItem().toString();

// System.out.println(value +" <<<<<<<<<<<<<");

} catch (Exception ex) {

}

if (value.length() >= 2) {

// System.out.println("working");

bookingComboFill(db.bookingsReadyForOrder(value));

db.flushAll();

}

});

}

public void bookingComboFill(ResultSet result)

{

bookingList.clear();

try {

while (result.next()) {

// System.out.println(">>>>>> "+result.getString("name"));

bookingList.add(result.getString("booking_room") + ", " + result.getString("name") + "," + result.getString("booking_id"));

}

} catch (SQLException ex) {

JOptionPane.showMessageDialog(null, "bookingCombo fill error");

}

private void populateFoodTable() {

result = foodDb.getFoods();

table_food.setModel(DbUtils.resultSetToTableModel(result));

foodDb.flushAll();

}

private void populateItemTable()

{

result = itemDb.getItems();

table_item.setModel(DbUtils.resultSetToTableModel(result));

itemDb.flushAll();

}

/**

* This method is called from within the constructor to initialize the form.

* WARNING: Do NOT modify this code. The content of this method is always

* regenerated by the Form Editor.

@SuppressWarnings("unchecked")

// <editor-fold defaultstate="collapsed" desc="Generated Code">

private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();

table_food = new javax.swing.JTable();

jScrollPane2 = new javax.swing.JScrollPane();

table_item = new javax.swing.JTable();

jPanel1 = new javax.swing.JPanel();

tf_foodItem = new javax.swing.JTextField();

tf_quantity = new javax.swing.JTextField();

jLabel1 = new javax.swing.JLabel();

jLabel2 = new javax.swing.JLabel();

tf_price = new javax.swing.JTextField();

tf_total = new javax.swing.JTextField();

jLabel3 = new javax.swing.JLabel();

tf_bookingId = new javax.swing.JTextField();

jLabel4 = new javax.swing.JLabel();

combo_booking = new javax.swing.JComboBox();

jButton1 = new javax.swing.JButton();

setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

table_food.setModel(new javax.swing.table.DefaultTableModel(

new Object [][] {

{null, null, null, null},

{null, null, null, null}

new String [] {

"Title 1", "Title 2", "Title 3", "Title 4"

}

));

table_food.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(java.awt.event.MouseEvent evt) {

table_foodMouseClicked(evt);

}

});

jScrollPane1.setViewportView(table_food);

table_item.setModel(new javax.swing.table.DefaultTableModel(

new Object [][] {

{null, null, null, null},

{null, null, null, null}

new String [] {

"Title 1", "Title 2", "Title 3", "Title 4"

}

));

table_item.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(java.awt.event.MouseEvent evt) {

table_itemMouseClicked(evt);

}

});

jScrollPane2.setViewportView(table_item);

jPanel1.setBackground(new java.awt.Color(230, 231, 232));

tf_quantity.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyReleased(java.awt.event.KeyEvent evt) {

tf_quantityKeyReleased(evt);

}

public void keyTyped(java.awt.event.KeyEvent evt) {

tf_quantityKeyTyped(evt);

}

});

jLabel1.setText("Item/Food");

jLabel2.setText("Quantity");

tf_price.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyTyped(java.awt.event.KeyEvent evt) {

tf_priceKeyTyped(evt);

}

});

jLabel3.setText("Total");

tf_bookingId.setBackground(new java.awt.Color(204, 255, 0));

jLabel4.setText("Price");

combo_booking.setEditable(true);

jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/SaveButton.png"))); // NOI18N

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton1ActionPerformed(evt);

}

});

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);

jPanel1.setLayout(jPanel1Layout);

jPanel1Layout.setHorizontalGroup(

jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel1Layout.createSequentialGroup()

.addContainerGap()

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addComponent(combo_booking, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addGroup(jPanel1Layout.createSequentialGroup()

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)

.addComponent(jLabel4, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jLabel1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, 80, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(tf_bookingId)

.addComponent(tf_foodItem)

.addComponent(tf_quantity)

.addComponent(tf_total)

.addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, 110, javax.swing.GroupLayout.PREFERRED_SIZE))))

.addComponent(jButton1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 150, javax.swing.GroupLayout.PREFERRED_SIZE))

.addContainerGap(114, Short.MAX_VALUE))

);

jPanel1Layout.setVerticalGroup(

jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(jPanel1Layout.createSequentialGroup()

.addContainerGap()

.addComponent(combo_booking, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(tf_bookingId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(19, 19, 19)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel1)

.addComponent(tf_foodItem, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(10, 10, 10)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel4)

.addComponent(tf_price, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(tf_quantity, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(jLabel2))

.addGap(18, 18, 18)

.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(jLabel3)

.addComponent(tf_total, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(91, Short.MAX_VALUE))

);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addContainerGap(71, Short.MAX_VALUE)

.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(47, 47, 47)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 251, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(45, 45, 45)

.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 284, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap())

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(55, 55, 55)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)

.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))

.addContainerGap(66, Short.MAX_VALUE))

);

pack();

}// </editor-fold>

private void table_foodMouseClicked(java.awt.event.MouseEvent evt) {

int row = table_food.getSelectedRow();

displayToTextField(row);

}

private void tf_quantityKeyReleased(java.awt.event.KeyEvent evt) {

int price = Integer.parseInt(tf_price.getText());

try{

int quantity = Integer.parseInt(tf_quantity.getText());

tf_total.setText(quantity*price+"");

}catch(Exception ex)

{

}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

db.insertOrder(new Order(

Integer.parseInt(tf_bookingId.getText()),

tf_foodItem.getText(),

Integer.parseInt(tf_price.getText()),

Integer.parseInt(tf_quantity.getText()),

Integer.parseInt(tf_total.getText())

));

}

private void table_itemMouseClicked(java.awt.event.MouseEvent evt) {

int row = table_item.getSelectedRow();

displayToTextFieldFromItem(row);

}

private void tf_priceKeyTyped(java.awt.event.KeyEvent evt) {

char c = evt.getKeyChar();

if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))

{

evt.consume();

}

private void tf_quantityKeyTyped(java.awt.event.KeyEvent evt) {

char c = evt.getKeyChar();

if(!(Character.isDigit(c) || c== KeyEvent.VK_BACK_SPACE || c == KeyEvent.VK_DELETE ))

{

evt.consume();

}

private void displayToTextField(int row) {

tf_foodItem.setText(table_food.getModel().getValueAt(row, 1)+"");

tf_price.setText(table_food.getModel().getValueAt(row, 2)+"");

}

private void displayToTextFieldFromItem(int row) {

tf_foodItem.setText(table_item.getModel().getValueAt(row, 1)+"");

tf_price.setText(table_item.getModel().getValueAt(row, 2)+"");

}

In this module which is the module for the ordering of foods.

The Code Given Below Is For The Payment Module

package I3.UI;

import I3.Classes.Order;
import I3.DatabaseOperation.BookingDb;
import I3.DatabaseOperation.OrderDb;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.print.PrinterException;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.MessageFormat;
import java.util.Date;
import java.util.Vector;
import java.util.concurrent.TimeUnit;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JOptionPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.text.JTextComponent;
import net.proteanit.sql.DbUtils;
import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;
import org.joda.time.Interval;

/**
 *
 * @author Angel Jude Suarez
 */
public class PaymentPanel extends javax.swing.JDialog {

    /**
     * Creates new form PaymentPanel
     */
    BookingDb bookingdB = new BookingDb();
    Vector&lt;String&gt; bookingList = new Vector();
    //OrderDb orderDb = new OrderDb();
    int bookingId = -1;
    ResultSet result;

    public PaymentPanel(java.awt.Frame parent, boolean modal) {
        super(parent, modal);
        initComponents();
        searchHelper();
        AutoCompleteDecorator.decorate(combo_booking);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // &lt;editor-fold defaultstate="collapsed" desc="Generated Code"&gt;                          
    private void initComponents() {

        combo_booking = new javax.swing.JComboBox();
        btn_checkOut = new javax.swing.JButton();
        jButton1 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        table_payment = new javax.swing.JTable();
        jButton2 = new javax.swing.JButton();
        tf_total = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        combo_booking.setEditable(true);

        btn_checkOut.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/checkout.png"))); // NOI18N
        btn_checkOut.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btn_checkOutActionPerformed(evt);
            }
        });

        jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/generate.png"))); // NOI18N
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        table_payment.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                table_paymentPropertyChange(evt);
            }
        });
        jScrollPane1.setViewportView(table_payment);

        jButton2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/meme.png"))); // NOI18N
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jLabel1.setForeground(new java.awt.Color(64, 64, 65));
        jLabel1.setText("Total :");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(138, 138, 138)
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(54, 54, 54)
                        .addComponent(combo_booking, javax.swing.GroupLayout.PREFERRED_SIZE, 220, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                            .addComponent(btn_checkOut, javax.swing.GroupLayout.PREFERRED_SIZE, 202, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(373, 373, 373)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                            .addComponent(tf_total, javax.swing.GroupLayout.DEFAULT_SIZE, 141, Short.MAX_VALUE))))
                .addContainerGap(348, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(37, 37, 37)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(btn_checkOut, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(combo_booking, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(56, 56, 56)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(tf_total, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(47, Short.MAX_VALUE))
        );

        pack();
    }// &lt;/editor-fold&gt;                        

    private void btn_checkOutActionPerformed(java.awt.event.ActionEvent evt) {                                             

        //System.out.println("faysal  .... "+ bookingId);
        if (bookingId != 1) {
            bookingdB.updateCheckOut(bookingId, new Date().getTime() / 1000);
            result = bookingdB.getABooking(bookingId);
            // bookingdB.flushAll();
            try {
                int duration = 1;
                int checkIn = result.getInt("check_in");
                int checkOut = result.getInt("check_out");
                String roomName = result.getString("booking_room");

                long diff = Math.abs((checkOut * 1000) - (checkIn * 1000));
                // System.out.println("&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;xxxxxxxxxxx  "+ diff.toDuration().toStandardDays().toString());

                int durationDays = (int) TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECONDS);
                int roomFare = bookingdB.getRoomPrice(bookingId);

                bookingdB.flushAll();
                // orderDb.flushAll();
                if (roomFare != -1) {

                    System.out.println("working as expected " + roomFare);
                    bookingdB.insertOrder(new Order(
                            bookingId,
                            roomName,
                            roomFare,
                            durationDays,
                            (roomFare * durationDays)
                    ));
                }
                // System.out.println ("Days: " + days);
            } catch (Exception ex) {
                JOptionPane.showMessageDialog(null, "no booking result found\n " + ex.toString());
            }

        } else {
            JOptionPane.showMessageDialog(null, "no booking selected, try to select one hitting enter from suggestion box");
        }

    }                                            

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        if (bookingId != -1) {
            result = bookingdB.getAllPaymentInfo(bookingId);
            populatePaymentTable(result);
        } else {
            JOptionPane.showMessageDialog(null, "no booking selected, try to select one hitting enter from suggestion box");
        }
    }                                        

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        try {
            MessageFormat header = new MessageFormat("I3 Technologies");
            MessageFormat footer = new MessageFormat("I3 hotel Management, Faysal Ahmed");

            table_payment.print(JTable.PrintMode.NORMAL, header, footer);
        } catch (PrinterException ex) {
            JOptionPane.showMessageDialog(null, "Error printer \n" + ex.toString());
        }
    }                                        

    private void table_paymentPropertyChange(java.beans.PropertyChangeEvent evt) {                                             
        if (table_payment.getModel().getRowCount() != 0) {
            System.out.println(table_payment.getModel().getRowCount() + " ,,,");
            //updateTotalCheckBox();
            
        }

    }                                            

    private void updateTotalCheckBox() {
        int total = 0;
        int rows = table_payment.getRowCount();
        //int selectedUserId = (int) table_customer.getModel().getValueAt(row, 0);

        try {
            for (int i = 0; i &lt; rows; i++) {
                total += (int) table_payment.getModel().getValueAt(i, 5);
            }
            tf_total.setText(total + "");
        } catch (ClassCastException ex) {
            System.err.println("waiting for a int value");
        }

    }

    private void populatePaymentTable(ResultSet result) {

        table_payment.setModel(DbUtils.resultSetToTableModel(result));
    }

    public void bookingComboFill(ResultSet result) {
        bookingList.clear();
        try {

            while (result.next()) {
                // System.out.println("&gt;&gt;&gt;&gt;&gt;&gt; "+result.getString("name"));
                bookingList.add(result.getString("booking_room") + ", " + result.getString("name") + "," + result.getString("booking_id"));
            }
        } catch (SQLException ex) {
            JOptionPane.showMessageDialog(null, "bookingCombo fill error");
        }

    }

    public void searchHelper() {
        final DefaultComboBoxModel model = new DefaultComboBoxModel(bookingList);
        combo_booking.setModel(model);

        JTextComponent editor = (JTextComponent) combo_booking.getEditor().getEditorComponent();
        editor.addKeyListener(new KeyAdapter() {

            @Override
            public void keyTyped(KeyEvent evt) {

                if (evt.getKeyChar() == KeyEvent.VK_ENTER) {
                    String details = (String) combo_booking.getSelectedItem();
                    //System.out.println(details);
                    if (!details.contains(",")) {
                        JOptionPane.showMessageDialog(null, "no booking found, try adding a new booking");
                    } else {
                        bookingId = Integer.parseInt(details.substring(details.lastIndexOf(",") + 1));
                        //tf_bookingId.setText(bookinId+"");
                        // A if condition should be here, but not required as the last line has no chance of returning -1.

                    }

                }

                /// suggestion generation
                String value = "";
                try {
                    value = combo_booking.getEditor().getItem().toString();
                    // System.out.println(value +" &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;");

                } catch (Exception ex) {
                }
                if (value.length() &gt;= 2) {

                    // System.out.println("working");
                    bookingComboFill(bookingdB.bookingsReadyForOrder(value));
                    // bookingdB.flushAll();
                }

            }
        });
    }

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package I3.UI;

import I3.Classes.Order;

import I3.DatabaseOperation.BookingDb;

import I3.DatabaseOperation.OrderDb;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.awt.print.PrinterException;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.text.MessageFormat;

import java.util.Date;

import java.util.Vector;

import java.util.concurrent.TimeUnit;

import javax.swing.DefaultComboBoxModel;

import javax.swing.JOptionPane;

import javax.swing.JTable;

import javax.swing.table.DefaultTableModel;

import javax.swing.text.JTextComponent;

import net.proteanit.sql.DbUtils;

import org.jdesktop.swingx.autocomplete.AutoCompleteDecorator;

import org.joda.time.Interval;

/**

* @author Angel Jude Suarez

public class PaymentPanel extends javax.swing.JDialog {

/**

* Creates new form PaymentPanel

BookingDb bookingdB = new BookingDb();

Vector<String> bookingList = new Vector();

//OrderDb orderDb = new OrderDb();

int bookingId = -1;

ResultSet result;

public PaymentPanel(java.awt.Frame parent, boolean modal) {

super(parent, modal);

initComponents();

searchHelper();

AutoCompleteDecorator.decorate(combo_booking);

}

/**

* This method is called from within the constructor to initialize the form.

* WARNING: Do NOT modify this code. The content of this method is always

* regenerated by the Form Editor.

@SuppressWarnings("unchecked")

// <editor-fold defaultstate="collapsed" desc="Generated Code">

private void initComponents() {

combo_booking = new javax.swing.JComboBox();

btn_checkOut = new javax.swing.JButton();

jButton1 = new javax.swing.JButton();

jScrollPane1 = new javax.swing.JScrollPane();

table_payment = new javax.swing.JTable();

jButton2 = new javax.swing.JButton();

tf_total = new javax.swing.JTextField();

jLabel1 = new javax.swing.JLabel();

setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

combo_booking.setEditable(true);

btn_checkOut.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/checkout.png"))); // NOI18N

btn_checkOut.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

btn_checkOutActionPerformed(evt);

}

});

jButton1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/generate.png"))); // NOI18N

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton1ActionPerformed(evt);

}

});

table_payment.addPropertyChangeListener(new java.beans.PropertyChangeListener() {

public void propertyChange(java.beans.PropertyChangeEvent evt) {

table_paymentPropertyChange(evt);

}

});

jScrollPane1.setViewportView(table_payment);

jButton2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/resources/meme.png"))); // NOI18N

jButton2.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton2ActionPerformed(evt);

}

});

jLabel1.setForeground(new java.awt.Color(64, 64, 65));

jLabel1.setText("Total :");

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(138, 138, 138)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGroup(layout.createSequentialGroup()

.addGap(54, 54, 54)

.addComponent(combo_booking, javax.swing.GroupLayout.PREFERRED_SIZE, 220, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)

.addComponent(btn_checkOut, javax.swing.GroupLayout.PREFERRED_SIZE, 202, javax.swing.GroupLayout.PREFERRED_SIZE)))

.addGroup(layout.createSequentialGroup()

.addGap(373, 373, 373)

.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)

.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)

.addComponent(tf_total, javax.swing.GroupLayout.DEFAULT_SIZE, 141, Short.MAX_VALUE))))

.addContainerGap(348, Short.MAX_VALUE))

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(37, 37, 37)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addComponent(btn_checkOut, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(combo_booking, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(56, 56, 56)

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(tf_total, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))

.addGap(18, 18, 18)

.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(47, Short.MAX_VALUE))

);

pack();

}// </editor-fold>

private void btn_checkOutActionPerformed(java.awt.event.ActionEvent evt) {

//System.out.println("faysal .... "+ bookingId);

if (bookingId != 1) {

bookingdB.updateCheckOut(bookingId, new Date().getTime() / 1000);

result = bookingdB.getABooking(bookingId);

// bookingdB.flushAll();

try {

int duration = 1;

int checkIn = result.getInt("check_in");

int checkOut = result.getInt("check_out");

String roomName = result.getString("booking_room");

long diff = Math.abs((checkOut * 1000) - (checkIn * 1000));

// System.out.println(">>>>>>>>>>xxxxxxxxxxx "+ diff.toDuration().toStandardDays().toString());

int durationDays = (int) TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECONDS);

int roomFare = bookingdB.getRoomPrice(bookingId);

bookingdB.flushAll();

// orderDb.flushAll();

if (roomFare != -1) {

System.out.println("working as expected " + roomFare);

bookingdB.insertOrder(new Order(

bookingId,

roomName,

roomFare,

durationDays,

(roomFare * durationDays)

));

}

// System.out.println ("Days: " + days);

} catch (Exception ex) {

JOptionPane.showMessageDialog(null, "no booking result found\n " + ex.toString());

}

} else {

JOptionPane.showMessageDialog(null, "no booking selected, try to select one hitting enter from suggestion box");

}

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Hotel Management System Java With Source Code

Hotel Management System Java With Source Code

List of Modules

Watch the video here to see the full running Hotel Management System Java With Source Code

Hotel Management System Java With Source Code steps on how to create the project

The Code Given Below Is For The Customer Info Module

The Code Given Below Is For The Rooms Module

The Code Given Below Is For The Order Module

The Code Given Below Is For The Payment Module