SimpleFrame (LAB 2-1)

1.import java.util.*;
2.import java.awt.*;
3.import java.awt.event.*;
4.import javax.swing.*;
5.import javax.swing.event.*;
6.class SimpleFrame extends JFrame{
7. private static final int DEFAULT_WIDTH=700;
8. private static final int DEFAULT_HEIGHT=500;
9. public SimpleFrame(){
10. setTitle("Simple Frame");
11. setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT);
12. }
13. public static void main(String[]args){
14. JFrame frame = new SimpleFrame();
15. frame.addWindowListener(new WindowAdapter(){
16. public void windowClosing(WindowEvent e ){
17. System.exit(0);
18. }
19. });
20. frame.setVisible(true);
21. }
22.}