Java tutorial
import java.awt.BorderLayout; import java.awt.Container; import java.awt.event.KeyEvent; import javax.swing.Box; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; public class LabelFor { public static void main(String args[]) { JFrame f = new JFrame("LabelFor Sample"); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Container content = f.getContentPane(); JLabel label = new JLabel("Username"); JTextField textField = new JTextField(); label.setDisplayedMnemonic(KeyEvent.VK_U); label.setLabelFor(textField); Container box = Box.createHorizontalBox(); box.add(label); box.add(textField); content.add(box, BorderLayout.NORTH); content.add(new JButton("Submit"), BorderLayout.SOUTH); f.setSize(300, 200); f.setVisible(true); } }