Swing I - Java - page 900

Display 17.4 The Normal Way to Define a JFrame (part 2 of 2)

12 setDefaultCloseOperation(

13 JFrame.DO_NOTHING_ON_CLOSE);

14 JButton endButton = new JButton("Click to end program.");

15 endButton.addActionListener( new EndingListener());

16 add(endButton);

17 }

18 }

The class EndingListener is defined in Display
17.2.

This is the file FirstWindow.java .

This is the file DemoWindow.java .

1 public class DemoWindow
2{
3 public static void main(String[] args)
4 {
5 FirstWindow w = new FirstWindow();
6 w.setVisible( true );
7 }
8}

R ESULTING GUI