Answers for "c++ std cout"

how to use cout function in c++

#include <iostream> //the library that contains cout

//cout is located in the "std" namespace so you can just say 
//"using namespace std" to directly have access to cout or you can just
//type std::cout and it well work the same

int main()
{
  	std::cout << "text" << std::endl; //endl is basicly the same as printing "n" or new line
	
  	return 0; //just exiting the program
}

std cout c++

#include <iostream>
using std::cout;
int main()
{ 
  	cout<<"Hello world";
    return 0;
}

cout in c++

The cout object in C++ is an object of class ostream.

std::cout and cout

//c++
cout and std::cout both are same, but the only difference is that if we 
use cout, namespace std must be used in the program or if you are not 
using std namespace then you should use std::cout.