Hello World in C++

Hello world in c++ basic set of the program in C++ programming language for beginners.

The ostream class is represented by the C++ cout statement.

It’s used to generate output for the standard output device, which is often a display screen.

#include<stdio.h>
int main() 
{
std::cout << "Hello world";
return 0;
}

 

Output:

Hello world

Cin and Cout in C++ Program

cin is an input stream object that accepts input from files, consoles, and other input streams.

cout is an output stream object that is used to display output. cin is an input statement, whereas cout is an output statement.

These are important statements to execute the result like hello world in c++.

Return Statement to Execute Hello World in C++

Returns control to the caller function once a function has completed its execution (or to the operating system if you transfer control from the main function).

The calling function continues execution at the place where the call was made.