Hello World Program in C++

Certainly! Here is a "Hello, World!" program in C++:

#include <iostream>


    int main() {
  
    std::cout << "Hello, World!" << std::endl;
  
    return 0;

    }

Let me explain what each line does:

#include <iostream>

This line includes a header file called iostream, which provides input and output stream objects, such as std::cout (standard output stream) and std::cin (standard input stream).

int main()

This line declares the main function, which is the entry point of every C++ program. The main function is a special function in C++ because the operating system calls this function to start the program. The int in int main means that the main function returns an integer.

{
  std::cout << "Hello, World!" << std::endl;

This line prints the string "Hello, World!" to the standard output stream std::cout. The << operator is the stream insertion operator, which inserts the string on the right into the stream on the left. The std::endl is a manipulator that inserts a newline character and flushes the stream.

  return 0;

This line returns 0 from the main function. The return value of the main function is the exit status of the program, and a return value of 0 typically indicates that the program ran successfully.

}

This curly brace closes the main function.