1    package gui; 
2     
3    import javax.swing.*; 
4    import java.awt.*; 
5    import java.awt.event.WindowAdapter; 
6    import java.awt.event.WindowEvent; 
7     
8    public class ClosableJFrame extends JFrame { 
9        public ClosableJFrame() { 
10           this(""); 
11       } 
12    
13       public ClosableJFrame(String title) { 
14           super(title); 
15           setBackground(Color.white); 
16           addWindowListener( 
17                   new ClosingWindowAdapter()); 
18       } 
19    
20       public void addMouseController(gui.mouse.MouseController mc) { 
21           addMouseMotionListener(mc); 
22           addMouseListener(mc); 
23       } 
24    
25       public static void main(String args[]) { 
26           ClosableJFrame cf = new ClosableJFrame("ClosableJFrame"); 
27           cf.setSize(200, 200); 
28           cf.setVisible(true); 
29    
30       } 
31    
32    
33       private class ClosingWindowAdapter extends WindowAdapter { 
34           public void windowClosing(WindowEvent e) { 
35               setVisible(false); 
36               dispose(); 
37           } 
38       } 
39   }