CPP Online Compiler
Run C++ code online for free to use, where you can write, run button, and share CPP code.A user-friendly C++ text editor supports standard libraries and takes users’ input. Joken E. Villanueva Founder …
C++ Tutorial
C++ is the systems-and-performance language that teaches you what the computer is really doing, manual memory management, references, templates, and the standard library that thousands of game engines and database engines depend on. It’s a core requirement in most Philippine BSIT and BSCS curricula and the foundation language for competitive programming and data structures subjects. This hub collects free C++ tutorials from “hello world” through pointers, OOP, the Standard Template Library, file I/O, and small game and console capstones.
What you’ll learn in the C++ tutorial series
Core syntax: variables, data types, operators, if/else, for, while, switch
Pointers and references: address-of, dereference, nullptr, reference parameters
Object-Oriented Programming: classes, constructors, destructors, inheritance, virtual functions
Standard Template Library: vector, map, set, list, queue, stack, algorithms
Memory management: new/delete, smart pointers (unique_ptr, shared_ptr, weak_ptr)
File I/O: ifstream, ofstream, binary files, error handling
Templates and generics: function templates, class templates, type traits
Modern C++: auto, range-based for, lambdas, move semantics, structured bindings
C++20 features: concepts, ranges, modules, coroutines
Why C++ for BSIT capstones
C++ is preferred for capstones that need real-time performance or system-level access: 2D games using SFML or SDL, embedded firmware on Arduino or Raspberry Pi, console-based data structure demonstrations, file compression utilities, and small interpreters or parsers. C++ is also the standard language for data structures and algorithms classes, so a C++ capstone connects directly to the rest of your major subjects. Panels appreciate the discipline C++ teaches: every variable has a type, every allocation must be freed, every method signature is explicit.
Recommended C++ development setup
Code::Blocks with MinGW-w64 (Windows), bundled compiler + IDE in one installer
Visual Studio 2022 Community (Windows), heavier but powerful MSVC toolchain
VS Code + g++ or clang++ (Linux, macOS), lightweight with the C/C++ extension
CLion (free for students with a .edu email), full IDE with CMake support
CMake for cross-platform build scripts (works with all 4 IDEs above)
Git for version control, GitHub or GitLab for backup
Related C++ resources
C++ Projects, downloadable C++ capstones with source code
C Programming Tutorial, the lower-level cousin of C++
C Projects, console-based C capstones
Database Design, ER diagrams for capstone Chapter 3
UML Diagrams, class diagrams for OOP-heavy C++ projects
Scroll down to browse the full C++ tutorial catalog ↓
C++ Interface: A Quick and Easy Guide with Examples
The C++ programming language provides programmers with a variety of features and capabilities, such as interface and abstract classes. In addition, it allows object-oriented programming, which is essential for creating …
Learn C++ Files and Streams with Best Program Examples
C++ files and streams In C++, files and streams are used to create files, add information to files, and read information from files. It is used to pull information out …
C++ Template Function | How to Write a Template Function C++?
What is a Template Function in C++? In C++, a template is a simple but powerful tool. The simple idea is to pass the data type as a parameter so …
C++ Dynamic Memory Tutorial with Program Example
C++ allows us to set the memory for a variable or an array while the program runs and it’s called C++ dynamic memory allocation. What is C++ Dynamic Memory? C++ …
C++ Web Programming Tutorial with Examples
What is CGI? The CGI stands for Common Gateway Interface, a set of standards describing how the web server and a custom script share information. The NCSA is in charge …
Learn C++ Namespace in a Easiest Way with Examples
A C++ namespace is a declarative region that gives the names of types, functions, variables, and other things within a scope. What is a namespace in C++? A namespace is …
How to Write Clean Exception Handling Code in C++ Language
In C++, exception handling is done with three keywords: try, throw statement, and catch statement. The try statement lets you set up a block of code to be checked for …
Multithreading in C++ Programming Tutorial with Examples
Multithreading in C++ provides many benefits to users, including useful and efficient features and functionalities. One of the most important and useful features is multithreading. Even today, multithreading is one …
C++ Preprocessor | What is a Preprocessor in C++ Language?
What is a C++ Preprocessor? C++ Preprocessing means executing or processing the program file before the main program. The preprocessor updates the source program file according to the preprocessor directives …
Encapsulation in C++: A Beginner’s Guide with Examples
Encapsulation is a primary aspect of object-oriented programming languages. It entails the combination of data elements and methods within a single class. Putting related data members and functions into the …
Abstraction in C++ In Simple Words with Examples
Introduction Data Abstraction offers sufficient public methods to set users to explore the object’s functionality and change its data. For instance, abstraction is a state without understanding the class’ background …
Polymorphism in C++ with Example and Best Explanation
What is Polymorphism in C++ with Example? The generic definition of the word polymorphism is the occurrence of something in several different forms. In C++, polymorphism signifies that the same entity (function or …
Frequently Asked Questions
Is C++ still relevant for BSIT students in 2026?
Yes, C++ is still one of the most important languages to learn in 2026. It powers game engines (Unreal, Godot), browsers (Chrome, Firefox), database engines (MySQL, MongoDB), high-frequency trading systems, and embedded firmware. For Philippine BSIT and BSCS students, C++ is also the standard introductory language for OOP, data structures, and competitive programming subjects, so learning it well helps you in almost every later subject.
Which C++ standard should I learn (C++11, 17, 20, 23)?
Target C++17 as your baseline because every modern compiler (GCC 9+, Clang 9+, MSVC 2019+) supports it fully and most production code is now C++17. Once comfortable, learn C++20 features (concepts, ranges, modules, coroutines) which are now widely supported. Avoid starting with C++98 or C++03 even though older tutorials still teach it, the modern syntax is shorter and safer.
What is the best free IDE for C++ in 2026?
For Windows beginners, Code::Blocks with MinGW-w64 is still the easiest starting point because it bundles compiler + IDE in one installer. Visual Studio 2022 Community is heavier but more powerful for medium-sized projects. On Linux or macOS, use Visual Studio Code with the C/C++ extension + a g++ or clang++ toolchain. CLion from JetBrains is free for students with a verified .edu email.
Should I learn C before C++?
No, you can start with C++ directly. Most "Intro to Programming" subjects in Philippine universities use C++ from day one because it gives you cout, cin, string, and vector which are friendlier than the C equivalents (printf, scanf, char arrays). Learn C later if you need to work on embedded firmware, kernel modules, or operating systems where C is still the standard.
How do I manage memory safely in modern C++?
Use smart pointers from the standard library instead of raw new/delete: std::unique_ptr for sole ownership, std::shared_ptr for shared ownership, std::weak_ptr to break circular references. Prefer stack allocation and std::vector or std::array for collections. Avoid manual memory management in modern code, almost every memory bug in C++ comes from forgetting to free a raw pointer.
What can I build with C++ for my capstone?
C++ capstones in the Philippines often focus on system-level or performance-critical features: 2D games using SFML or SDL, simple OS or shell emulators, file compression and encryption tools, parsers and small compilers, embedded Arduino or Raspberry Pi systems, and console-based management systems for the OOP requirement. Pair C++ with Qt if you need a desktop GUI.