Java Swing Tutorials - Herong's Tutorial Examples - v4.32, by Herong Yang
JMenuTest.java - Menu Test Program
This section provides a tutorial example on how to use the javax.swing.JMenu class to create multiple menus and how to add them to the menu bar. Sub menus and menu items added to a menu will be listed vertically when the menu is selected.
Here is an example program I wrote to test the JMenu class:
/* JMenuTest.java * Copyright (c) 1997-2024 HerongYang.com. All Rights Reserved. */ import javax.swing.*; public class JMenuTest { JFrame myFrame = null; public static void main(String[] a) { (new JMenuTest()).test(); } private void test() { myFrame = new JFrame("Menu Test"); myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); myFrame.setBounds(50,50,250,150); myFrame.setContentPane(new JDesktopPane()); JMenuBar myMenuBar = new JMenuBar(); JMenu myMenu = getFileMenu(); myMenuBar.add(myMenu); myMenu = getColorMenu(); myMenuBar.add(myMenu); myFrame.setJMenuBar(myMenuBar); myFrame.setVisible(true); } private JMenu getFileMenu() { JMenu myMenu = new JMenu("File"); JMenu mySubMenu = getOpenMenu(); myMenu.add(mySubMenu); JMenuItem myItem = new JMenuItem("Close"); myMenu.add(myItem); myMenu.addSeparator(); myItem = new JMenuItem("Exit"); myMenu.add(myItem); return myMenu; } private JMenu getColorMenu() { JMenu myMenu = new JMenu("Color"); JMenuItem myItem = new JMenuItem("Red"); myMenu.add(myItem); myItem = new JMenuItem("Green"); myMenu.add(myItem); myItem = new JMenuItem("Blue"); myMenu.add(myItem); return myMenu; } private JMenu getOpenMenu() { JMenu myMenu = new JMenu("Open"); JMenuItem myItem = new JMenuItem("Java"); myMenu.add(myItem); myItem = new JMenuItem("HTML"); myMenu.add(myItem); myItem = new JMenuItem("GIF"); myMenu.add(myItem); return myMenu; } }
If you run this example, you will see the frame window shows up with the menu bar like this:
Interesting notes about this tutorial example:
Table of Contents
Introduction of Java Swing Package
Graphics Environment of the Local System
JCheckBox - Swing Check Box Class
JRadioButton - Swing Radio Button Class
JTextField - Swing Text Field Class
JComboBox - Swing Combo Box Class
►Menu Bar, Menus, Menu Items and Listeners
JMenuBar, JMenu, and JMenuItem Classes
JMenuBarTest.java - Menu Bar Test Program
►JMenuTest.java - Menu Test Program
JMenuItemTest.java - Menu Item Test Program
JRadioButtonMenuItemTest.java - Radio Button Menu Item Test Program
JCheckBoxMenuItemTest.java - Check Box Menu Item Test Program
javax.swing.event.MenuListener - Menu Listener Interface
JMenuItemActionListenerTest.java - Menu Item Action Listener Test
Item Listener on Radio Button Menu Items
Item Listener on Check Box Menu Items
javax.swing.event.MenuKeyListener - Menu Key Listener Interface
setMnemonic() - Setting Keyboard Mnemonics on Menu Items
setAccelerator() - Setting Keyboard Accelerators on Menu Items
setMnemonic() - Setting Keyboard Mnemonics on Menus
Creating Internal Frames inside the Main Frame
Layout of Components in a Container
JEditorPane - The Editor Pane Class
SwingWorker - The Background Task Worker
AWT (Abstract Windows Toolkit)