Java Swing Tutorial - Java JCheckBoxMenuItem(String text, Icon icon, boolean b) Constructor

Syntax

JCheckBoxMenuItem(String text, Icon icon, boolean b) constructor from JCheckBoxMenuItem has the following syntax.

public JCheckBoxMenuItem(String text,     Icon icon,     boolean b)

Example

In the following code shows how to use JCheckBoxMenuItem.JCheckBoxMenuItem(String text, Icon icon, boolean b) constructor.

import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.event.KeyEvent;
// w  w  w  . jav a2  s.c  o m
import javax.swing.Icon;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

public class Main {

  public static void main(final String args[]) {
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar menuBar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu fileMenu = new JMenu("File");
    fileMenu.setMnemonic(KeyEvent.VK_F);
    menuBar.add(fileMenu);

    // File->New, N - Mnemonic
    JMenuItem newMenuItem = new JMenuItem("New", KeyEvent.VK_N);
    fileMenu.add(newMenuItem);

    JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Item",new MyIcon(Color.RED),true);
    caseMenuItem.setMnemonic(KeyEvent.VK_C);
    fileMenu.add(caseMenuItem);
    
    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    frame.setVisible(true);
  }
}
class MyIcon implements Icon {
  Color cl;

  public MyIcon(Color c) {
    cl = c;
  }

  public int getIconWidth() {
    return 32;
  }

  public int getIconHeight() {
    return 32;
  }

  public void paintIcon(Component c, Graphics g, int x, int y) {
    g.setColor(cl);
    g.drawString("java2s.com", 0, 20);
  }
}