JMenu(String s, boolean b) constructor from JMenu has the following syntax.
public JMenu(String s, boolean b)
In the following code shows how to use JMenu.JMenu(String s, boolean b) constructor.
/*from ww w . ja v a 2 s . c om*/ import java.awt.event.KeyEvent; import javax.swing.JCheckBoxMenuItem; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; public class Main { 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",false); fileMenu.setMnemonic(KeyEvent.VK_F); menuBar.add(fileMenu); // File->New, N - Mnemonic JMenuItem newMenuItem = new JMenuItem("New", KeyEvent.VK_N); fileMenu.add(newMenuItem); JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Case Sensitive"); caseMenuItem.setMnemonic(KeyEvent.VK_C); fileMenu.add(caseMenuItem); frame.setJMenuBar(menuBar); frame.setSize(350, 250); frame.setVisible(true); } }