Last Updated : 12 Jul, 2025
C++ is a popular programming language that was developed as an extension of the C programming language to include OOPs programming paradigm. Since then, it has become foundation of many modern technologies like game engines, web browsers, operating systems, financial systems, etc.
Features of C++ Why Learn C++?C++ is often taught as a foundational language to aspiring programmers, but it is much more than that:
Before going in-depth with this C++ tutorial, let’s have a quick intro to C++ language using a simple program that prints the text "Hello World". You can run this program by clicking on the play button on the top right of the code snippet.
C++
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}
C++ Tutorial
This C++ tutorial provides a comprehensive guide to learn C++ in a well-organized, step-by-step manner. It is suitable for both absolute beginners and seasoned programmers seeking to deepen their knowledge. Each topic in this tutorial is clearly explained with practical code examples and real-world applications.
Let's start now!
C++ Overview C++ Basicsmalloc and free Supports both manual (using malloc/free) and automatic memory management (using constructors/destructors and new/delete keywords) Function Overloading Does not support function overloading Supports function overloading, allowing multiple functions with the same name but different parameters Exception Handling Does not support exception handling Supports exception handling using try, catch, and throw keywords Namespace No namespace feature Supports namespaces to avoid name collisions Input/Output Functions Uses standard input/output functions like scanf and printf Uses object-oriented input/output streams like cin and cout Inheritance No support for inheritance Supports inheritance, allowing classes to inherit properties and methods from other classes Template Support No support for templates Supports templates, enabling generic programming Dynamic Binding Does not support dynamic binding Supports dynamic binding using virtual functions Header File Extensions Uses .h file extension for header files Uses .hpp or .h file extensions for header files Compatibility Generally limited to C programming Backward compatible with C, allowing C code to run in C++ programs Application Domain Mainly used for system programming, embedded systems, and low-level programming Widely used in game development, GUI applications, real-time simulations, and system/software development Learn C++ Interactively
If you feel overwhelmed and looking for a simpler guide to learn C++, then you can explore the GFG Free C++ Programming Language Guide, which serves as a self-taught course. It is a simple guide that discusses the basic components of the language first and provides quizzes and practice questions after each concept to help you master it. Additionally, it contains final assessment tests at the end of the guide to test your knowledge.
Jobs or Careers in C++If we see the Statista report, then you will see that after JavaScript, Java and C#, C++ will be one of the most used programming languages in 2024. In the list of the most used languages, 23% of developers use this language. There are multiple companies seeking proficient C++ developers; some of them are listed below:
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