import java.awt.*;
import java.awt.event.*;

public class TestFrame extends Frame
{
    public TestFrame()
    {
        this.addWindowListener(new WindowAdapter()
            {
                public void windowClosing(WindowEvent event)
                {
                    dispose();
                }
            });
    }
    
    public static void main(String[] args)
    {
        Frame frame1 = new TestFrame();
        Frame frame2 = new TestFrame();
        
        frame1.pack();
        frame2.pack();
        frame1.setVisible(true);
        frame2.setVisible(true);
    }
}