Key Points:
- To comment items you will use the
// this is a comment - At the beginning of your program you will use what is called a #include directive, which cause contents of another file to be placed into your program:
#include <iostream> - You will also use namespaces in your program the most common one is std, which is for standard.
using namespace std; - The cout Object is used to display information on the screen to the user.
cout << “Hello world!”;