/* HelloWorldApp.java - Simple Hello Wolrd in Java coded without Eclipse & stuff - by StephaneAG - 2013 */

/**
*	The HelloWolrdApp class implements an App
*	that simply prints 'Hello Wolrd !' to stdout
*/

class HelloWolrdApp {
	public static void main(String[] args){
		System.out.println("Hello World !"); // prints "Hello Wolrd !" to stdout
	}
}

Create HelloWorldApp.java