Source Code : Menu item that can be selected or deselected

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Menu item that can be selected or deselected

   

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;

import javax.swing.BorderFactory;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.border.EtchedBorder;

public class CheckMenuItem {
  public static void main(String[] args) {
    final JLabel statusbar = new JLabel(" Statusbar");

    JMenuBar menubar = new JMenuBar();
    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);

    JMenu view = new JMenu("View");
    view.setMnemonic(KeyEvent.VK_V);

    JCheckBoxMenuItem sbar = new JCheckBoxMenuItem("Show StatuBar");
    sbar.setState(true);

    sbar.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        if (statusbar.isVisible()) {
          statusbar.setVisible(false);
        } else {
          statusbar.setVisible(true);
        }
      }
    });

    view.add(sbar);

    menubar.add(file);
    menubar.add(view);

    JFrame f = new JFrame();
    f.setJMenuBar(menubar);
    statusbar.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.RAISED));
    f.add(statusbar, BorderLayout.SOUTH);
    f.setSize(360, 250);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
  }
}

   
    
    
  

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