C++ “Hello, World!” Program


A simple C++ hello world program to display “Hello, World!” on the screen. Since, it’s a very simple program, it is often used to illustrate the syntax of a programming language.


Hello world program


Example 1: Hello World Program

#include <iostream>
using namespace std;
int main() 
{
 cout << "Hello, World!";
 return 0;
}

OUTPUT

Hello, World!

Every C++ program starts from the main() function.

The cout is the standard output stream which prints the “Hello, World!” string on the monitor.

The return 0; is the Exit status” of the program.


Example 2: Hello World Program

#include <iostream>
int main() 
{
 std::cout << "Hello, World!";
 return 0;
}

OUTPUT

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