Java tutorial
import java.awt.GridLayout; import java.awt.LayoutManager; import java.awt.event.KeyEvent; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; class VerticalMenuBar extends JMenuBar { private static final LayoutManager grid = new GridLayout(0, 1); public VerticalMenuBar() { setLayout(grid); } } public class VerticalMenuBarDemo { public static void main(final String args[]) { JFrame frame = new JFrame("MenuSample Example"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JMenuBar menuBar = new VerticalMenuBar(); // File Menu, F - Mnemonic JMenu fileMenu = new JMenu("File"); fileMenu.setMnemonic(KeyEvent.VK_F); menuBar.add(fileMenu); JMenu editMenu = new JMenu("Edit"); menuBar.add(editMenu); frame.setJMenuBar(menuBar); frame.setSize(350, 250); frame.setVisible(true); } }