import java.awt.*;
import java.awt.event.*;
public class YoYo {
      Frame f = new Frame("Window 2003");
      Button b1, b2, b3;
      Panel p;       Button n;
   public static void main( String s[ ]) {
      new YoYo( );   /* easy to change to Applet */
   }
   public YoYo( ) {  // Constructor
      f.setSize(300, 200);
      b1=new Button("111"); b2=new Button("222");
      p = new Panel( );  f.add(p,"South");
      f.add(b1,"West");  f.add(b2,BorderLayout.EAST);
      Button bq = new Button("Quit");  // another Button
      n= new Button("HahaHehehe");
      p.add(n); p.add(bq);
      n.setBackground(Color.green);
      f.show( );
      MyHandler chang3 = new MyHandler(f, b1, b2, bq, n);
      n.addActionListener(chang3);
      b1.addActionListener(chang3);
      bq.addActionListener(chang3);
    
   MyHandler lee4 =new MyHandler(f, b1, b2, bq, n);
     f.addWindowListener(lee4);
 b2.addActionListener(lee4);
 b2.addActionListener(chang3);

   }
}