import java.awt.event.KeyEvent;
import javax.swing.JLabel;
import javax.swing.JTextField;
public class Main {
public static void main(String[] argv) throws Exception {
JTextField textfield = new JTextField(25);
// Create label and associate with text field
JLabel label = new JLabel("Text Label");
label.setDisplayedMnemonic(KeyEvent.VK_L);
label.setLabelFor(textfield);
}
}