JMenu.setAccelerator(KeyStroke keyStroke) has the following syntax.
public void setAccelerator(KeyStroke keyStroke)
In the following code shows how to use JMenu.setAccelerator(KeyStroke keyStroke) method.
/*from ww w. jav a 2s .co m*/ import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.KeyStroke; 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"); fileMenu.setAccelerator(KeyStroke.getKeyStroke("F")); // File->New, N - Mnemonic JMenuItem newMenuItem = new JMenuItem("New"); fileMenu.add(newMenuItem); frame.setJMenuBar(menuBar); frame.setSize(350, 250); frame.setVisible(true); } }