Menu Stuff not working

Question

Hi, I have a panel which is displayed depending on the button clicked which includes the menu stuff also.So when I switch the buttons I am not getting the updated menus can someone help me out please......

Answer 1

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class MenusDemo extends JFrame {
    public MenusDemo() {
        initComponents();
    private void initComponents() {
        setTitle("Menus Demo");
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        toolbar = new JToolBar();
        menuButton1 = new JButton();
        menuButton2 = new JButton();
        menusPanel = new JPanel();
        menuPanel1 = new JPanel();
        menuLabel1 = new JLabel();
        menuPanel2 = new JPanel();
        menuLabel2 = new JLabel();
        toolbar.setFloatable(false);
        menuButton1.setText("Menu 1");
        menuButton1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                menuButton1ActionPerformed(evt);
        toolbar.add(menuButton1);
        menuButton2.setText("Menu 2");
        menuButton2.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                menuButton2ActionPerformed(evt);
        toolbar.add(menuButton2);
        getContentPane().add(toolbar, BorderLayout.NORTH);
        menusPanel.setLayout(new CardLayout());
        menuLabel1.setText("Menu 1");
        menuPanel1.add(menuLabel1);
        menusPanel.add(menuPanel1, "menu1");
        menuLabel2.setText("Menu 2");
        menuPanel2.add(menuLabel2);
        menusPanel.add(menuPanel2, "menu2");
        getContentPane().add(menusPanel, BorderLayout.CENTER);
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-400)/2, (screenSize.height-300)/2, 400, 300);
        menusLayout = (CardLayout)menusPanel.getLayout();
    private void menuButton1ActionPerformed(ActionEvent evt) {
        menusLayout.show(menusPanel, "menu1");
    private void menuButton2ActionPerformed(ActionEvent evt) {
        menusLayout.show(menusPanel, "menu2");
    public static void main(String args[]) {
        new MenusDemo().setVisible(true);
    private JLabel menuLabel1;
    private JLabel menuLabel2;
    private JPanel menusPanel;
    private JPanel menuPanel1;
    private JPanel menuPanel2;
    private JToolBar toolbar;
    private JButton menuButton1;
    private JButton menuButton2;
    private CardLayout menusLayout;
}