Java hello world program

/*Hello World :
Java programming source code */

class HelloWorld
{
   public static void main(String args[])
   {
      System.out.println("Hello World");
   }
}

Output : Hello World
System :
Hello World is passed as an argument to println method, you can print whatever you want. There is also a print method which doesn't takes the cursor to beginning of next line as println does. System is a class, out is object of PrintStream class and println is the method.