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Introduction to C++

by Anup Maurya
8 minutes read

As of now, C++ is one of the world’s most popular programming languages and promptly used by Competitive Programmer. C++ can be found in today’s operating systems, Graphical User Interfaces, embedded systems and more.

What is C++?

C++ is a powerful general-purpose programming language. It can be used to develop operating systems, browsers, games, and so on. C++ supports object-oriented, procedural, and generic programming. This makes C++ powerful as well as flexible.

C++ is a middle-level language, as it encapsulates both high and low level language features.

Bjarne Stroustrup founder of C++ Language

C++ History

  • C++ programming language was developed in 1980 by Bjarne Stroustrup at bell laboratories of AT&T (American Telephone & Telegraph), located in U.S.A.
  • Bjarne Stroustrup is known as the founder of C++ language.
  • It was develop for adding a feature of OOP (Object Oriented Programming) in C without significantly changing the C component.
  • C++ programming is “relative” (called a superset) of C, it means any valid C program is also a valid C++ program.

Object-Oriented Programming (OOPs)

C++ supports object-oriented programming, the four major pillar of object-oriented programming (OPPs) used in C++ are:

  1. Inheritance
  2. Polymorphism
  3. Encapsulation
  4. Abstraction

C++ Standard Libraries

Standard C++ programming is divided into three important parts:

  • The core library includes the data types, variables and literals, etc.
  • The standard library includes the set of functions manipulating strings, files, etc.
  • The Standard Template Library (STL) includes the set of methods manipulating a data structure.

Application of C++

By the help of C++ programming language, we can develop different types of secured and robust applications:

  • Window application
  • Client-Server application
  • Device drivers
  • Embedded firmware etc

C++ Hello World Program

Let’s have look on a simple C++ program to Print “Welcome to C++” on the console.

#include <iostream>  
using namespace std;  
int main() {  
   cout << "Welcome to C++";  
   return 0;  

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