Java-Buddy

Example of using JMenuBar, JMenu, JMenuItem, JCheckBoxMenuItem, JRadioButtonMenuItem and ButtonGroup.

package javamenu;
import java.awt.event.KeyEvent;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.SwingUtilities;
/**
 * @web http://java-buddy.blogspot.com/
 */
public class JavaMenu extends JFrame {
 private void prepareUI() {
 JMenuBar jMenuBar = new JMenuBar();
 JMenu menuFile = new JMenu("File");
 menuFile.setMnemonic(KeyEvent.VK_F);
 jMenuBar.add(menuFile);
 JMenu menuOption = new JMenu("Options");
 menuOption.setMnemonic(KeyEvent.VK_P);
 jMenuBar.add(menuOption);
 //MenuItem New, Open, Save under File
 JMenuItem menuItemNew = new JMenuItem("New", KeyEvent.VK_N);
 menuFile.add(menuItemNew);
 JMenuItem menuItemOpen = new JMenuItem("Open", KeyEvent.VK_O);
 menuFile.add(menuItemOpen);
 JMenuItem menuItemSave = new JMenuItem("Save", KeyEvent.VK_S);
 menuFile.add(menuItemSave);
 //CheckBox A, B, C under Options
 JCheckBoxMenuItem jCheckBoxMenuItem_A = new JCheckBoxMenuItem("Check A");
 jCheckBoxMenuItem_A.setMnemonic(KeyEvent.VK_A);
 menuOption.add(jCheckBoxMenuItem_A);
 
 JCheckBoxMenuItem jCheckBoxMenuItem_B = new JCheckBoxMenuItem("Check B");
 jCheckBoxMenuItem_B.setMnemonic(KeyEvent.VK_B);
 menuOption.add(jCheckBoxMenuItem_B);
 
 JCheckBoxMenuItem jCheckBoxMenuItem_C = new JCheckBoxMenuItem("Check C");
 jCheckBoxMenuItem_C.setMnemonic(KeyEvent.VK_C);
 menuOption.add(jCheckBoxMenuItem_C);
 menuOption.addSeparator();
 
 //Create ButtonGroup for radio button D, E, F
 ButtonGroup buttonGroup = new ButtonGroup();
 
 JRadioButtonMenuItem jRadioButtonMenuItem_D = new JRadioButtonMenuItem("Option D", true);
 jRadioButtonMenuItem_D.setMnemonic(KeyEvent.VK_D);
 menuOption.add(jRadioButtonMenuItem_D);
 buttonGroup.add(jRadioButtonMenuItem_D);
 JRadioButtonMenuItem jRadioButtonMenuItem_E = new JRadioButtonMenuItem("Option E");
 jRadioButtonMenuItem_E.setMnemonic(KeyEvent.VK_E);
 menuOption.add(jRadioButtonMenuItem_E);
 buttonGroup.add(jRadioButtonMenuItem_E);
 
 JRadioButtonMenuItem jRadioButtonMenuItem_F = new JRadioButtonMenuItem("Option F");
 jRadioButtonMenuItem_F.setMnemonic(KeyEvent.VK_F);
 menuOption.add(jRadioButtonMenuItem_F);
 buttonGroup.add(jRadioButtonMenuItem_F);
 
 setJMenuBar(jMenuBar);
 }
 private static void createAndShowGUI() {
 JavaMenu myFrame = new JavaMenu();
 myFrame.setTitle("java-buddy.blogspot.com");
 myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 myFrame.setSize(400, 300);
 myFrame.prepareUI();
 myFrame.setVisible(true);
 }
 public static void main(String[] args) {
 SwingUtilities.invokeLater(() -> {
 createAndShowGUI();
 });
 }
}

Next:
- Add ActionListener to JMenuItem, JCheckBoxMenuItem and JRadioButtonMenuItem

Post a Comment

[フレーム]