import javax.swing.JFrame;

public class Driver
{
     public static final int WIDTH = 300;
     public static final int HEIGHT = 200;
     public static void main (String [] args)
     {
           MyFrame aFrame = new MyFrame ();
           MyWindowListener aListener = new MyWindowListener() ;
           aFrame.addWindowListener(aListener);
           aFrame.setSize (WIDTH,HEIGHT);
           aFrame.setVisible(true);
     }
}