Set Mnemonic Key for JCheckBox in Java

import java.awt.FlowLayout;
import java.awt.event.KeyEvent;
// w  ww  . ja v a  2s.co m
import javax.swing.JCheckBox;
import javax.swing.JFrame;

public class Main {

  public static void main(String[] args) {

    JFrame frame = new JFrame("JCheckBox Test");
    frame.setLayout(new FlowLayout());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JCheckBox ac = new JCheckBox("A/C");
    ac.setSelected(true);
    ac.setMnemonic(KeyEvent.VK_A);
    
    frame.add(ac);
    frame.pack();
    frame.setVisible(true);
  }
}