Example usage for java.awt.event KeyEvent VK

Introduction

In this page you can find the example usage for java.awt.event KeyEvent VK_O.

Prototype

int VK_O

To view the source code for java.awt.event KeyEvent VK_O.

Click Source Link

Document

Constant for the "O" key.

Usage

From source file:TabLocation.java

public static void main(String args[]) {

    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();

    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
            KeyEvent.VK_A };//from w  ww . j av  a 2  s . c  o  m
    for (int i = 0, n = titles.length; i < n; i++) {
        add(tabbedPane, titles[i], mnemonic[i]);
    }

    tabbedPane.setTabPlacement(JTabbedPane.BOTTOM);
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);
    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
            KeyEvent.VK_A };/*from w  w w  . j  a  v a2 s .  c om*/
    for (int i = 0, n = titles.length; i < n; i++) {
        add(tabbedPane, titles[i], mnemonic[i]);
    }

    tabbedPane.removeAll();
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
}

From source file:TabSample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();
    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    int mnemonic[] = { KeyEvent.VK_G, KeyEvent.VK_S, KeyEvent.VK_C, KeyEvent.VK_O, KeyEvent.VK_P,
            KeyEvent.VK_A };//from  w ww.  j a v  a  2  s  . c om
    for (int i = 0, n = titles.length; i < n; i++) {
        add(tabbedPane, titles[i], mnemonic[i]);
        tabbedPane.setBackgroundAt(i, colors[i]);
    }
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
}

From source file:Submenu.java

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);//from w w  w .j a  v a 2  s.co m

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

    // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File
    JMenu findOptionsMenu = new JMenu("Options");
    Icon atIcon = new ImageIcon("at.gif");
    findOptionsMenu.setIcon(atIcon);
    findOptionsMenu.setMnemonic(KeyEvent.VK_O);
    fileMenu.add(findOptionsMenu);

    // ButtonGroup for radio buttons
    ButtonGroup directionGroup = new ButtonGroup();

    // Edit->Options->Forward, F - Mnemonic, in group
    JRadioButtonMenuItem forwardMenuItem = new JRadioButtonMenuItem("Forward", true);
    forwardMenuItem.setMnemonic(KeyEvent.VK_F);
    findOptionsMenu.add(forwardMenuItem);
    directionGroup.add(forwardMenuItem);

    // Edit->Options->Backward, B - Mnemonic, in group
    JRadioButtonMenuItem backwardMenuItem = new JRadioButtonMenuItem("Backward");
    backwardMenuItem.setMnemonic(KeyEvent.VK_B);
    findOptionsMenu.add(backwardMenuItem);
    directionGroup.add(backwardMenuItem);

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

From source file:MenuDemo1.java

public static void main(String[] args) {
    // Create a window for this demo
    JFrame frame = new JFrame("Menu Demo");
    JPanel panel = new JPanel();
    frame.getContentPane().add(panel, "Center");

    // Create an action listener for the menu items we will create
    // The MenuItemActionListener class is defined below
    ActionListener listener = new MenuItemActionListener(panel);

    // Create some menu panes, and fill them with menu items
    // The menuItem() method is important.  It is defined below.
    JMenu file = new JMenu("File");
    file.setMnemonic('F');
    file.add(menuItem("New", listener, "new", 'N', KeyEvent.VK_N));
    file.add(menuItem("Open...", listener, "open", 'O', KeyEvent.VK_O));
    file.add(menuItem("Save", listener, "save", 'S', KeyEvent.VK_S));
    file.add(menuItem("Save As...", listener, "saveas", 'A', KeyEvent.VK_A));

    JMenu edit = new JMenu("Edit");
    edit.setMnemonic('E');
    edit.add(menuItem("Cut", listener, "cut", 0, KeyEvent.VK_X));
    edit.add(menuItem("Copy", listener, "copy", 'C', KeyEvent.VK_C));
    edit.add(menuItem("Paste", listener, "paste", 0, KeyEvent.VK_V));

    // Create a menubar and add these panes to it.
    JMenuBar menubar = new JMenuBar();
    menubar.add(file);/*from   w ww.  j  ava2 s.  c o m*/
    menubar.add(edit);

    // Add menubar to the main window.  Note special method to add menubars
    frame.setJMenuBar(menubar);

    // Now create a popup menu and add the some stuff to it
    final JPopupMenu popup = new JPopupMenu();
    popup.add(menuItem("Open...", listener, "open", 0, 0));
    popup.addSeparator(); // Add a separator between items
    JMenu colors = new JMenu("Colors"); // Create a submenu
    popup.add(colors); // and add it to the popup menu
    // Now fill the submenu with mutually-exclusive radio buttons
    ButtonGroup colorgroup = new ButtonGroup();
    colors.add(radioItem("Red", listener, "color(red)", colorgroup));
    colors.add(radioItem("Green", listener, "color(green)", colorgroup));
    colors.add(radioItem("Blue", listener, "color(blue)", colorgroup));

    // Arrange to display the popup menu when the user clicks in the window
    panel.addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
            // Check whether this is the right type of event to pop up a popup
            // menu on this platform.  Usually checks for right button down.
            if (e.isPopupTrigger())
                popup.show((Component) e.getSource(), e.getX(), e.getY());
        }
    });

    // Finally, make our main window appear
    frame.setSize(450, 300);
    frame.setVisible(true);
}

From source file:Submenu.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JMenuBar menubar = new JMenuBar();
    ImageIcon iconNew = new ImageIcon("new.png");
    ImageIcon iconOpen = new ImageIcon("open.png");
    ImageIcon iconSave = new ImageIcon("save.png");
    ImageIcon iconClose = new ImageIcon("exit.png");

    JMenu file = new JMenu("File");
    JMenu imp = new JMenu("Import");

    JMenuItem fileNew = new JMenuItem("New", iconNew);
    JMenuItem fileOpen = new JMenuItem("Open", iconOpen);
    JMenuItem fileSave = new JMenuItem("Save", iconSave);
    JMenuItem fileClose = new JMenuItem("Close", iconClose);

    file.setMnemonic(KeyEvent.VK_F);
    imp.setMnemonic(KeyEvent.VK_M);

    JMenuItem newsf = new JMenuItem("Import newsfeed list...");
    JMenuItem bookm = new JMenuItem("Import bookmarks...");
    JMenuItem mail = new JMenuItem("Import mail...");

    imp.add(newsf);//  ww w .  ja  v  a  2  s. co  m
    imp.add(bookm);
    imp.add(mail);

    fileNew.setMnemonic(KeyEvent.VK_N);
    fileNew.setMnemonic(KeyEvent.VK_O);
    fileSave.setMnemonic(KeyEvent.VK_S);

    fileClose.setMnemonic(KeyEvent.VK_C);
    fileClose.setToolTipText("Exit application");
    fileClose.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, ActionEvent.CTRL_MASK));

    fileClose.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent event) {
            System.exit(0);
        }
    });

    file.add(fileNew);
    file.add(fileOpen);
    file.add(fileSave);
    file.addSeparator();
    file.add(imp);
    file.addSeparator();
    file.add(fileClose);

    menubar.add(file);

    f.setJMenuBar(menubar);

    f.setSize(360, 250);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
}

From source file:MediumPopupSample.java

public static void main(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);//from  w  w w  .  j ava  2  s .  c o m

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

    // File->Open, O - Mnemonic
    JMenuItem openMenuItem = new JMenuItem("Open", KeyEvent.VK_O);
    openMenuItem.addActionListener(menuListener);
    fileMenu.add(openMenuItem);

    // File->Close, C - Mnemonic
    JMenuItem closeMenuItem = new JMenuItem("Close", KeyEvent.VK_C);
    closeMenuItem.addActionListener(menuListener);
    fileMenu.add(closeMenuItem);

    // Separator
    fileMenu.addSeparator();

    // File->Save, S - Mnemonic
    JMenuItem saveMenuItem = new JMenuItem("Save", KeyEvent.VK_S);
    saveMenuItem.addActionListener(menuListener);
    fileMenu.add(saveMenuItem);

    // Separator
    fileMenu.addSeparator();

    // File->Exit, X - Mnemonic
    JMenuItem exitMenuItem = new JMenuItem("Exit", KeyEvent.VK_X);
    exitMenuItem.addActionListener(menuListener);
    fileMenu.add(exitMenuItem);

    // Edit Menu, E - Mnemonic
    JMenu editMenu = new JMenu("Edit");
    editMenu.setMnemonic(KeyEvent.VK_E);
    menuBar.add(editMenu);

    // Edit->Cut, T - Mnemonic, CTRL-X - Accelerator
    JMenuItem cutMenuItem = new JMenuItem("Cut", KeyEvent.VK_T);
    cutMenuItem.addActionListener(menuListener);
    KeyStroke ctrlXKeyStroke = KeyStroke.getKeyStroke("control X");
    cutMenuItem.setAccelerator(ctrlXKeyStroke);
    editMenu.add(cutMenuItem);

    // Edit->Copy, C - Mnemonic, CTRL-C - Accelerator
    JMenuItem copyMenuItem = new JMenuItem("Copy", KeyEvent.VK_C);
    copyMenuItem.addActionListener(menuListener);
    KeyStroke ctrlCKeyStroke = KeyStroke.getKeyStroke("control C");
    copyMenuItem.setAccelerator(ctrlCKeyStroke);
    editMenu.add(copyMenuItem);

    // Edit->Paste, P - Mnemonic, CTRL-V - Accelerator, Disabled
    JMenuItem pasteMenuItem = new JMenuItem("Paste", KeyEvent.VK_P);
    pasteMenuItem.addActionListener(menuListener);
    KeyStroke ctrlVKeyStroke = KeyStroke.getKeyStroke("control V");
    pasteMenuItem.setAccelerator(ctrlVKeyStroke);
    pasteMenuItem.setEnabled(false);
    editMenu.add(pasteMenuItem);

    // Separator
    editMenu.addSeparator();

    // Edit->Find, F - Mnemonic, F3 - Accelerator
    JMenuItem findMenuItem = new JMenuItem("Find", KeyEvent.VK_F);
    findMenuItem.addActionListener(menuListener);
    KeyStroke f3KeyStroke = KeyStroke.getKeyStroke("F3");
    findMenuItem.setAccelerator(f3KeyStroke);
    editMenu.add(findMenuItem);

    // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File
    JMenu findOptionsMenu = new JMenu("Options");
    Icon atIcon = new ImageIcon("at.gif");
    findOptionsMenu.setIcon(atIcon);
    findOptionsMenu.setMnemonic(KeyEvent.VK_O);

    // ButtonGroup for radio buttons
    ButtonGroup directionGroup = new ButtonGroup();

    // Edit->Options->Forward, F - Mnemonic, in group
    JRadioButtonMenuItem forwardMenuItem = new JRadioButtonMenuItem("Forward", true);
    forwardMenuItem.addActionListener(menuListener);
    forwardMenuItem.setMnemonic(KeyEvent.VK_F);
    findOptionsMenu.add(forwardMenuItem);
    directionGroup.add(forwardMenuItem);

    // Edit->Options->Backward, B - Mnemonic, in group
    JRadioButtonMenuItem backwardMenuItem = new JRadioButtonMenuItem("Backward");
    backwardMenuItem.addActionListener(menuListener);
    backwardMenuItem.setMnemonic(KeyEvent.VK_B);
    findOptionsMenu.add(backwardMenuItem);
    directionGroup.add(backwardMenuItem);

    // Separator
    findOptionsMenu.addSeparator();

    // Edit->Options->Case Sensitive, C - Mnemonic
    JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Case Sensitive");
    caseMenuItem.addActionListener(menuListener);
    caseMenuItem.setMnemonic(KeyEvent.VK_C);
    findOptionsMenu.add(caseMenuItem);
    editMenu.add(findOptionsMenu);

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

From source file:MenuX.java

public static void main(String args[]) {
    ActionListener actionListener = new MenuActionListener();
    MenuKeyListener menuKeyListener = new MyMenuKeyListener();
    ChangeListener cListener = new MyChangeListener();
    MenuListener menuListener = new MyMenuListener();
    MenuSelectionManager manager = MenuSelectionManager.defaultManager();
    manager.addChangeListener(cListener);
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar bar = new VerticalMenuBar();
    //    JMenuBar bar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);
    file.addChangeListener(cListener);/*w w w .j a va 2s .c o m*/
    file.addMenuListener(menuListener);
    file.addMenuKeyListener(menuKeyListener);
    JPopupMenu popupMenu = file.getPopupMenu();
    popupMenu.setLayout(new GridLayout(3, 3));
    bar.add(file);

    // File->New, N - Mnemonic
    JMenuItem newItem = new JMenuItem("New", KeyEvent.VK_N);
    newItem.addActionListener(actionListener);
    newItem.addChangeListener(cListener);
    newItem.addMenuKeyListener(menuKeyListener);
    file.add(newItem);

    // File->Open, O - Mnemonic
    JMenuItem openItem = new JMenuItem("Open", KeyEvent.VK_O);
    openItem.addActionListener(actionListener);
    openItem.addChangeListener(cListener);
    openItem.addMenuKeyListener(menuKeyListener);
    file.add(openItem);

    // File->Close, C - Mnemonic
    JMenuItem closeItem = new JMenuItem("Close", KeyEvent.VK_C);
    closeItem.addActionListener(actionListener);
    closeItem.addChangeListener(cListener);
    closeItem.addMenuKeyListener(menuKeyListener);
    file.add(closeItem);

    // Separator
    file.addSeparator();

    // File->Save, S - Mnemonic
    JMenuItem saveItem = new JMenuItem("Save", KeyEvent.VK_S);
    saveItem.addActionListener(actionListener);
    saveItem.addChangeListener(cListener);
    saveItem.addMenuKeyListener(menuKeyListener);
    file.add(saveItem);

    // Separator
    file.addSeparator();

    // File->Exit, X - Mnemonic
    JMenuItem exitItem = new JMenuItem("Exit", KeyEvent.VK_X);
    exitItem.addActionListener(actionListener);
    exitItem.addChangeListener(cListener);
    exitItem.addMenuKeyListener(menuKeyListener);
    file.add(exitItem);

    // Edit Menu, E - Mnemonic
    JMenu edit = new JMenu("Edit");
    edit.setMnemonic(KeyEvent.VK_E);
    edit.addChangeListener(cListener);
    edit.addMenuListener(menuListener);
    edit.addMenuKeyListener(menuKeyListener);
    bar.add(edit);

    // Edit->Cut, T - Mnemonic, CTRL-X - Accelerator
    JMenuItem cutItem = new JMenuItem("Cut", KeyEvent.VK_T);
    cutItem.addActionListener(actionListener);
    cutItem.addChangeListener(cListener);
    cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, Event.CTRL_MASK));
    cutItem.addMenuKeyListener(menuKeyListener);
    edit.add(cutItem);

    // Edit->Copy, C - Mnemonic, CTRL-C - Accelerator
    JMenuItem copyItem = new JMenuItem("Copy", KeyEvent.VK_C);
    copyItem.addActionListener(actionListener);
    copyItem.addChangeListener(cListener);
    copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, Event.CTRL_MASK));
    copyItem.addMenuKeyListener(menuKeyListener);
    copyItem.setEnabled(false);
    edit.add(copyItem);

    // Edit->Paste, P - Mnemonic, CTRL-V - Accelerator, Disabled
    JMenuItem pasteItem = new JMenuItem("Paste", KeyEvent.VK_P);
    pasteItem.addActionListener(actionListener);
    pasteItem.addChangeListener(cListener);
    pasteItem.addMenuKeyListener(menuKeyListener);
    pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, Event.CTRL_MASK));
    pasteItem.setEnabled(false);
    edit.add(pasteItem);

    // Separator
    edit.addSeparator();

    // Edit->Find, F - Mnemonic, F3 - Accelerator
    JMenuItem findItem = new JMenuItem("Find", KeyEvent.VK_F);
    findItem.addActionListener(actionListener);
    findItem.addChangeListener(cListener);
    findItem.addMenuKeyListener(menuKeyListener);
    findItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3, 0));
    edit.add(findItem);

    // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File
    JMenu findOptions = new JMenu("Options");
    findOptions.addChangeListener(cListener);
    findOptions.addMenuListener(menuListener);
    findOptions.addMenuKeyListener(menuKeyListener);
    Icon atIcon = new ImageIcon("at.gif");
    findOptions.setIcon(atIcon);
    findOptions.setMnemonic(KeyEvent.VK_O);

    // ButtonGrou for radio buttons
    ButtonGroup directionGroup = new ButtonGroup();

    // Edit->Options->Forward, F - Mnemonic, in group
    JRadioButtonMenuItem forward = new JRadioButtonMenuItem("Forward", true);
    forward.addActionListener(actionListener);
    forward.addChangeListener(cListener);
    forward.addMenuKeyListener(menuKeyListener);
    forward.setMnemonic(KeyEvent.VK_F);
    findOptions.add(forward);
    directionGroup.add(forward);

    // Edit->Options->Backward, B - Mnemonic, in group
    JRadioButtonMenuItem backward = new JRadioButtonMenuItem("Backward");
    backward.addActionListener(actionListener);
    backward.addChangeListener(cListener);
    backward.addMenuKeyListener(menuKeyListener);
    backward.setMnemonic(KeyEvent.VK_B);
    findOptions.add(backward);
    directionGroup.add(backward);

    // Separator
    findOptions.addSeparator();

    // Edit->Options->Case Sensitive, C - Mnemonic
    JCheckBoxMenuItem caseItem = new JCheckBoxMenuItem("Case Sensitive");
    caseItem.addActionListener(actionListener);
    caseItem.addChangeListener(cListener);
    caseItem.addMenuKeyListener(menuKeyListener);
    caseItem.setMnemonic(KeyEvent.VK_C);
    findOptions.add(caseItem);
    edit.add(findOptions);

    frame.setJMenuBar(bar);
    //    frame.getContentPane().add(bar, BorderLayout.EAST);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

From source file:MenuY.java

public static void main(String args[]) {
    ActionListener actionListener = new MenuActionListener();
    MenuKeyListener menuKeyListener = new MyMenuKeyListener();
    ChangeListener cListener = new MyChangeListener();
    MenuListener menuListener = new MyMenuListener();
    MenuSelectionManager manager = MenuSelectionManager.defaultManager();
    manager.addChangeListener(cListener);
    JFrame frame = new JFrame("MenuSample Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar bar = new VerticalMenuBar();
    //    JMenuBar bar = new JMenuBar();

    // File Menu, F - Mnemonic
    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);
    file.addChangeListener(cListener);//from  w  w w . j  a va 2 s. co  m
    file.addMenuListener(menuListener);
    file.addMenuKeyListener(menuKeyListener);
    JPopupMenu popupMenu = file.getPopupMenu();
    popupMenu.setLayout(new GridLayout(3, 3));
    bar.add(file);

    // File->New, N - Mnemonic
    JMenuItem newItem = new JMenuItem("New", KeyEvent.VK_N);
    newItem.addActionListener(actionListener);
    newItem.addChangeListener(cListener);
    newItem.addMenuKeyListener(menuKeyListener);
    file.add(newItem);

    // File->Open, O - Mnemonic
    JMenuItem openItem = new JMenuItem("Open", KeyEvent.VK_O);
    openItem.addActionListener(actionListener);
    openItem.addChangeListener(cListener);
    openItem.addMenuKeyListener(menuKeyListener);
    file.add(openItem);

    // File->Close, C - Mnemonic
    JMenuItem closeItem = new JMenuItem("Close", KeyEvent.VK_C);
    closeItem.addActionListener(actionListener);
    closeItem.addChangeListener(cListener);
    closeItem.addMenuKeyListener(menuKeyListener);
    file.add(closeItem);

    // Separator
    file.addSeparator();

    // File->Save, S - Mnemonic
    JMenuItem saveItem = new JMenuItem("Save", KeyEvent.VK_S);
    saveItem.addActionListener(actionListener);
    saveItem.addChangeListener(cListener);
    saveItem.addMenuKeyListener(menuKeyListener);
    file.add(saveItem);

    // Separator
    file.addSeparator();

    // File->Exit, X - Mnemonic
    JMenuItem exitItem = new JMenuItem("Exit", KeyEvent.VK_X);
    exitItem.addActionListener(actionListener);
    exitItem.addChangeListener(cListener);
    exitItem.addMenuKeyListener(menuKeyListener);
    file.add(exitItem);

    // Edit Menu, E - Mnemonic
    JMenu edit = new JMenu("Edit");
    edit.setMnemonic(KeyEvent.VK_E);
    edit.addChangeListener(cListener);
    edit.addMenuListener(menuListener);
    edit.addMenuKeyListener(menuKeyListener);
    bar.add(edit);

    // Edit->Cut, T - Mnemonic, CTRL-X - Accelerator
    JMenuItem cutItem = new JMenuItem("Cut", KeyEvent.VK_T);
    cutItem.addActionListener(actionListener);
    cutItem.addChangeListener(cListener);
    cutItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, Event.CTRL_MASK));
    cutItem.addMenuKeyListener(menuKeyListener);
    edit.add(cutItem);

    // Edit->Copy, C - Mnemonic, CTRL-C - Accelerator
    JMenuItem copyItem = new JMenuItem("Copy", KeyEvent.VK_C);
    copyItem.addActionListener(actionListener);
    copyItem.addChangeListener(cListener);
    copyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, Event.CTRL_MASK));
    copyItem.addMenuKeyListener(menuKeyListener);
    copyItem.setEnabled(false);
    edit.add(copyItem);

    // Edit->Paste, P - Mnemonic, CTRL-V - Accelerator, Disabled
    JMenuItem pasteItem = new JMenuItem("Paste", KeyEvent.VK_P);
    pasteItem.addActionListener(actionListener);
    pasteItem.addChangeListener(cListener);
    pasteItem.addMenuKeyListener(menuKeyListener);
    pasteItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, Event.CTRL_MASK));
    pasteItem.setEnabled(false);
    edit.add(pasteItem);

    // Separator
    edit.addSeparator();

    // Edit->Find, F - Mnemonic, F3 - Accelerator
    JMenuItem findItem = new JMenuItem("Find", KeyEvent.VK_F);
    findItem.addActionListener(actionListener);
    findItem.addChangeListener(cListener);
    findItem.addMenuKeyListener(menuKeyListener);
    findItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3, 0));
    edit.add(findItem);

    // Edit->Options Submenu, O - Mnemonic, at.gif - Icon Image File
    Icon atIcon = new ImageIcon("at.gif");
    Action findAction = new AbstractAction("Options", atIcon) {
        ActionListener actionListener = new MenuActionListener();

        public void actionPerformed(ActionEvent e) {
            actionListener.actionPerformed(e);
        }
    };
    findAction.putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_O));
    JMenuItem jMenuItem = new JMenuItem(findAction);

    JMenu findOptions = new JMenu(findAction);
    findOptions.addChangeListener(cListener);
    findOptions.addMenuListener(menuListener);
    findOptions.addMenuKeyListener(menuKeyListener);

    // ButtonGrou for radio buttons
    ButtonGroup directionGroup = new ButtonGroup();

    // Edit->Options->Forward, F - Mnemonic, in group
    JRadioButtonMenuItem forward = new JRadioButtonMenuItem("Forward", true);
    forward.addActionListener(actionListener);
    forward.addChangeListener(cListener);
    forward.addMenuKeyListener(menuKeyListener);
    forward.setMnemonic(KeyEvent.VK_F);
    findOptions.add(forward);
    directionGroup.add(forward);

    // Edit->Options->Backward, B - Mnemonic, in group
    JRadioButtonMenuItem backward = new JRadioButtonMenuItem("Backward");
    backward.addActionListener(actionListener);
    backward.addChangeListener(cListener);
    backward.addMenuKeyListener(menuKeyListener);
    backward.setMnemonic(KeyEvent.VK_B);
    findOptions.add(backward);
    directionGroup.add(backward);

    // Separator
    findOptions.addSeparator();

    // Edit->Options->Case Sensitive, C - Mnemonic
    JCheckBoxMenuItem caseItem = new JCheckBoxMenuItem("Case Sensitive");
    caseItem.addActionListener(actionListener);
    caseItem.addChangeListener(cListener);
    caseItem.addMenuKeyListener(menuKeyListener);
    caseItem.setMnemonic(KeyEvent.VK_C);
    findOptions.add(caseItem);
    edit.add(findOptions);

    frame.setJMenuBar(bar);
    //    frame.getContentPane().add(bar, BorderLayout.EAST);
    frame.setSize(350, 250);
    frame.setVisible(true);
}

From source file:Main.java

/**
 * Returns the mnemonic integer./* w  w  w . ja  va  2  s. c  o m*/
 * 
 * @param c The character (uppercase)
 * @return The mnemonic.
 */
@SuppressWarnings("incomplete-switch")
private static int setMnemonicsGet(char c) {
    int mnemonic = 0;
    switch (Character.toUpperCase(c)) {
    case '0':
        mnemonic = KeyEvent.VK_0;
        break;
    case '1':
        mnemonic = KeyEvent.VK_1;
        break;
    case '2':
        mnemonic = KeyEvent.VK_2;
        break;
    case '3':
        mnemonic = KeyEvent.VK_3;
        break;
    case '4':
        mnemonic = KeyEvent.VK_4;
        break;
    case '5':
        mnemonic = KeyEvent.VK_5;
        break;
    case '6':
        mnemonic = KeyEvent.VK_6;
        break;
    case '7':
        mnemonic = KeyEvent.VK_7;
        break;
    case '8':
        mnemonic = KeyEvent.VK_8;
        break;
    case '9':
        mnemonic = KeyEvent.VK_9;
        break;
    case 'A':
        mnemonic = KeyEvent.VK_A;
        break;
    case 'B':
        mnemonic = KeyEvent.VK_B;
        break;
    case 'C':
        mnemonic = KeyEvent.VK_C;
        break;
    case 'D':
        mnemonic = KeyEvent.VK_D;
        break;
    case 'E':
        mnemonic = KeyEvent.VK_E;
        break;
    case 'F':
        mnemonic = KeyEvent.VK_F;
        break;
    case 'G':
        mnemonic = KeyEvent.VK_G;
        break;
    case 'H':
        mnemonic = KeyEvent.VK_H;
        break;
    case 'I':
        mnemonic = KeyEvent.VK_I;
        break;
    case 'J':
        mnemonic = KeyEvent.VK_J;
        break;
    case 'K':
        mnemonic = KeyEvent.VK_K;
        break;
    case 'L':
        mnemonic = KeyEvent.VK_L;
        break;
    case 'M':
        mnemonic = KeyEvent.VK_M;
        break;
    case 'N':
        mnemonic = KeyEvent.VK_N;
        break;
    case 'O':
        mnemonic = KeyEvent.VK_O;
        break;
    case 'P':
        mnemonic = KeyEvent.VK_P;
        break;
    case 'Q':
        mnemonic = KeyEvent.VK_Q;
        break;
    case 'R':
        mnemonic = KeyEvent.VK_R;
        break;
    case 'S':
        mnemonic = KeyEvent.VK_S;
        break;
    case 'T':
        mnemonic = KeyEvent.VK_T;
        break;
    case 'U':
        mnemonic = KeyEvent.VK_U;
        break;
    case 'V':
        mnemonic = KeyEvent.VK_V;
        break;
    case 'W':
        mnemonic = KeyEvent.VK_W;
        break;
    case 'X':
        mnemonic = KeyEvent.VK_X;
        break;
    case 'Y':
        mnemonic = KeyEvent.VK_Y;
        break;
    case 'Z':
        mnemonic = KeyEvent.VK_Z;
        break;
    }
    return mnemonic;
}

Example usage for java.awt.event KeyEvent VK_O

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