Set Mnemonic key : JMenu « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JMenu

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

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

class MenuActionListener implements ActionListener {
  public void actionPerformed(ActionEvent actionEvent) {
    System.out.println("Selected: " + actionEvent.getActionCommand());
  }
}

public class MenuAction {

  public static void main(final String args[]) {
    ActionListener menuListener = new MenuActionListener();
    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);
    newMenuItem.addActionListener(menuListener);
    fileMenu.add(newMenuItem);


    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    frame.setVisible(true);
  }
}

14.21.JMenu
	14.21.1.	The JMenu component is the basic menu item container that is placed on a JMenuBar
	14.21.2.	what menus look like
	14.21.3.	Adding a Menu to a Window
	14.21.4.	Add Separator to JMenu
	14.21.5.	Using Action Objects with Menus
	14.21.6.	Adding Menu Shortcuts
	14.21.7.	Set Mnemonic key
	14.21.8.	Submenu
	14.21.9.	Listening to JMenu Events with a ChangeListener: register a ChangeListener with a JMenu
	14.21.10.	Using MenuListener to listen to: menu canceled, selected and deselected events
	14.21.11.	Layout menu yourself
	14.21.12.	Customizing JMenu Look and Feel