Java tutorial
import java.awt.Container; import java.awt.GridLayout; import java.awt.event.KeyEvent; import javax.swing.JButton; import javax.swing.JFrame; public class MnemonicSample { public static void main(String args[]) { JFrame frame = new JFrame("Mnemonics"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container content = frame.getContentPane(); content.setLayout(new GridLayout(1, 0)); JButton button1 = new JButton("Warning"); button1.setMnemonic(KeyEvent.VK_W); content.add(button1); JButton button2 = new JButton("Warning"); button2.setMnemonic(KeyEvent.VK_H); content.add(button2); frame.setSize(300, 200); frame.setVisible(true); } }