Listening to JMenuItem Events with an ActionListener : JMenuItem « Swing « Java Tutorial

http://www.java2s.com/Tutorial/Java/0240__Swing/ListeningtoJMenuItemEventswithanActionListener.htm

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 e) {
    System.out.println("Selected: " + e.getActionCommand());
 
  }
}
 
public class ContructMenuActionListener {
  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);
 
    // File->New, N - Mnemonic
    JMenuItem newMenuItem = new JMenuItem("New");
    newMenuItem.addActionListener(new MenuActionListener());
    fileMenu.add(newMenuItem);
 
    frame.setJMenuBar(menuBar);
    frame.setSize(350, 250);
    frame.setVisible(true);
  }
}