JMenuBar, JMenu and JMenuItems are a part of Java Swing package. JMenuBar is an implementation of menu bar . the JMenuBar contains one or more JMenu objects, when the JMenu objects are selected they display a popup showing one or more JMenuItems .
JMenu basically represents a menu . It contains several JMenuItem Object . It may also contain JMenu Objects (or submenu).
- JMenuBar() : Creates a new MenuBar.
- JMenu() : Creates a new Menu with no text.
- JMenu(String name) : Creates a new Menu with a specified name.
- JMenu(String name, boolean b) : Creates a new Menu with a specified name and boolean
value specifies it as a tear-off menu or not. A tear-off menu can be opened and dragged away from its parent menu bar or menu.
Commonly used methods:
- add(JMenu c) : Adds menu to the menu bar. Adds JMenu object to the Menu bar.
- add(Component c) : Add component to the end of JMenu
- add(Component c, int index) : Add component to the specified index of JMenu
- add(JMenuItem menuItem) : Adds menu item to the end of the menu.
- add(String s) : Creates a menu item with specified string and appends it to the end of menu.
- getItem(int index) : Returns the specified menuitem at the given index
The following programs will illustrate the use of JMenuBar
1. Program to make a MenuBar and add menu items to it
2. Program to add a menubar and add menuitems, submenu items and also add ActionListener to menu items
Note : The following program might not run in an online compiler, please use an offline IDE.
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