import java.awt.FlowLayout;
import java.awt.HeadlessException;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
public class Main extends JFrame {
public Main() throws HeadlessException {
setSize(400, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new FlowLayout(FlowLayout.LEFT));
JLabel usernameLabel = new JLabel("Username: ");
JLabel passwordLabel = new JLabel("Password: ");
JTextField usernameField = new JTextField(20);
JPasswordField passwordField = new JPasswordField(20);
usernameLabel.setDisplayedMnemonic(KeyEvent.VK_U);
usernameLabel.setLabelFor(usernameField);
passwordLabel.setDisplayedMnemonic(KeyEvent.VK_P);
passwordLabel.setLabelFor(passwordField);
getContentPane().add(usernameLabel);
getContentPane().add(usernameField);
getContentPane().add(passwordLabel);
getContentPane().add(passwordField);
}
public static void main(String[] args) {
new Main().setVisible(true);
}
}