Swing Interfaces with Sorting and Searching - Java Programming: Comprehensive Concepts and Techniques - page 449

Table 7-7 Swing Menu Methods

METHOD PURPOSE EXAMPLE

setDisplayedMnemonicIndex() Specifies which letter in the mnuFormat.setDisplayedMnemonicIndex(1);

keyword command will act
as a shortcut key.

setActionCommand() Specifies a String that

mnuTools.setActionCommand("Tools");

can be used in the
actionPerformed() method
to test which command
was clicked.

add() Adds commands to the mnuBar.add(mnuFile);

JMenuBar or to a JMenu
menu.

JMenuBar() Constructs an instance of

appMenu = new JMenuBar();

the JMenuBar object to
display as a primary menu
bar in an application.

JMenu() Constructs an instance of JMenu = mnuFile new JMenu("File”);

the JMenu object to display JMenu = mnuFile new JMenu("Edit",
as a menu bar command. true);

The first argument is the
displayed command
keyword. A second,
optional boolean
argument specifies if the
JMenu can act as a tear-off.

addSeparator() Appends a new separator

mnuHelp.addSeparator();

to the end of the menu.

JMenuItem() Constructs an instance of JMenuItem mnuEditCopy = new

the JMenuItem object to JMenuItem("Copy");

display as a command in
a drop-down list. The
argument is the displayed
command keyword.

addActionListener() Enables the command to

mnuView.addActionListener(this);

hear clicks from the user,
activating the action event.

setJMenuBar() Assigns the menu bar setJMenuBar(appBar);

argument to the
application's interface.