END; require_once "include/calendar.php"; require_once "include/planner-include.php"; require_once "include/header.inc.php"; ?> The canonical first program that everyone writes.

(print "Hello, world!")
public class HelloWorld
{
    public static void main(String args[])
    {
        System.out.println("Hello, world!");
    }
}
and so on and so forth.