c++ progra, to print a message code example

Example 1: hello world c++

#include <iostream>

using namespace std;

int main() {
 cout << "Hello World" << endl;		// endl = '\n'
 return 0;
}

Example 2: hello world c++

#include <iostream> // Include standard library and namespace
using namespace std; // for c++

int main () // where program starts
{
	cout << "Hello World!\n"; // cout (part of std) prints message
  	return 0; // return int because main is of type int
}