fFrame f; 
 
void setup() { 
  f=new fFrame(); 
} 
 
void loop() { 
 
} 
 
class fFrame extends Frame { 
  Button button1 = new Button(); 
 
  public fFrame() { 
    button1.setVisible(true); 
    button1.setLabel("close"); 
    button1.setLocation(new Point(80, 50)); 
    button1.setSize(new Dimension(130, 20)); 
    setLocation(new Point(0, 0)); 
    setLayout(null); 
    setTitle("windowtitle"); 
    add(button1); 
 
    setSize(new Dimension(300, 100)); 
    setVisible(true); 
 
    button1.addMouseListener(new MouseAdapter() { 
 public void mouseClicked(MouseEvent e) { 
   button1MouseClicked(e); 
 } 
    }); 
 
    addWindowListener(new WindowAdapter() { 
 public void windowClosing(WindowEvent e) { 
   thisWindowClosing(e); 
 } 
    }); 
  } 
 
  void thisWindowClosing(WindowEvent e) { 
    cleanUp(); 
  } 
 
  void button1MouseClicked(MouseEvent e) { 
    cleanUp(); 
  } 
 
  public void cleanUp() { 
    setVisible(false); 
    dispose(); 
  } 
}