package pkg2;

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

import static javax.swing.SwingUtilities.invokeLater;

public class Test8013453 {
    private static final String[] names = {"First", "Second", "Third", "Fourth", "Fifth"};

    public static void main(String[] args) {
        invokeLater(new Runnable() {
            @Override
            public void run() {
                JMenuBar menu = new JMenuBar();
                for (String name : names) {
                    menu.add(create(new JMenu(name)));
                }
                JFrame frame = new JFrame("8013453: second mnemonic");
                frame.setSize(320, 200);
                frame.setLocationRelativeTo(null);
                frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                frame.setJMenuBar(menu);
                frame.setVisible(true);
            }
        });
    }

    private static JMenuItem create(JMenuItem menu) {
        menu.setMnemonic(menu.getText().charAt(0));
        if (menu instanceof JMenu) {
            for (String name : names) {
                menu.add(create(new JMenuItem(name)));
            }
        }
        return menu;
    }
}