/**
  * @author  Shengyang Zhong
  * @version 1.0
  * @date 04.04.2002
  * @package informatik2.hello
  * @class Hello2
  */

// modular program: 
// - each class can get its own file;
// - files can be compiled separately;
// - class = module = compilation unit

public class Hello2a {

	public static void main (String[] argv) {
		Mouth.say("Hello 2a, World!");
	} // main

} // Hello2a

//--------------------- cut into two files -----------------------------

class Mouth {

    // public allows external use
    // static allows use without instantiation
    
	public static void say(String what) {
		System.out.println(what); 	 
	} // say
	
} // Mouth