Hi can someone help me disappear the button on click..... i have the windowDestroyer and the driver class mport javax.swing.*; import java.awt.*; import java.awt.event.*; /** Simple demonstration of putting buttons in a JFrame. */ public class ButtonDemo extends JFrame implements ActionListener { public static final int WIDTH = 400; public static final int HEIGHT = 300; public ButtonDemo( ) { setSize(WIDTH, HEIGHT); WindowDestroyer listener = new WindowDestroyer( ); addWindowListener(listener); Container contentPane = getContentPane( ); contentPane.setBackground(Color.WHITE); contentPane.setLayout(new FlowLayout( )); JButton sunnyButton = new JButton("Sunny"); sunnyButton.addActionListener(this); contentPane.add(sunnyButton); sunnyButton.setVisible(false); JButton cloudyButton = new JButton("Cloudy"); cloudyButton.addActionListener(this); contentPane.add(cloudyButton); } public void actionPerformed(ActionEvent e) { String actionCommand = e.getActionCommand( ); Container contentPane = getContentPane( ); JButton sunnyButton = new JButton("Sunny"); JButton cloudyButton = new JButton("Cloudy"); if (actionCommand.equals("Sunny")) contentPane.setBackground(Color.BLUE); sunnyButton.setVisible(false);/*SHOULDN'T THIS METHOD MAKE BUTTON DISAPPEAR BUT IT DOESN'T WORK!!!! HELP PLZ*/ else if (actionCommand.equals("Cloudy")) contentPane.setBackground(Color.GRAY); else System.out.println("Error in button interface."); }