Short Example: Old AWT

import java.awt.*;

public class HelloWorld extends Frame {

public Button bOld;

//public Panel p;

public HelloWorld() {

bOld = new Button ("Good Bye");

//p = new Panel();

//p.add(bOld);

//this.add(p);

this.add(bOld);

/* note the addition directly to Frame*/

this.pack();

}

public static void main(String arg[]){

/* note lack of listener; this is a demo */

new HelloWorld().show();

}

}// class HelloWorld