Thread: password field, with focused "Enter" button

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JPasswordField;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.ImageIcon;
 
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
 
 
public class PasswordField extends JFrame {
 
    private JPanel passwordPanel;
 
    private JPasswordField passwordField;
 
    private JLabel passwordLabel;
 
    private JButton userConfirmationBtn;
    private JButton submenu;
 
    private Image icon;
 
    private ImageIcon frameBackground;
 
    public PasswordField() {
 
        icon = new ImageIcon("c:/pics/mercuryLogo.jpg").getImage().getScaledInstance(300, 300, 0);
        frameBackground = new ImageIcon("c:/pics/passwordbck2.jpg");
        passwordField = new JPasswordField();
        passwordLabel = new JLabel("Password: ");
        userConfirmationBtn = new JButton("Enter");
        submenu = new JButton("Submenu");
 
        initComponents();
    }
 
    private void initComponents() {
 
 
        // set the properties of this label
        passwordLabel.setBounds(12, 13, 80, 20);
        passwordLabel.setFont(new Font("Monospaced", Font.BOLD, 12));
        passwordLabel.setForeground(Color.BLACK);
 
        // set the properties and actions of this text field
        passwordField.setBounds(88, 13, 185, 20);
 
        // set the properties and actions of this button
        Action pass = new AbstractAction() {
 
            public void actionPerformed(ActionEvent e) {
 
                // retrive the password data from the password field
                char[] passwordChars = passwordField.getPassword();
 
                String passwordStr = "";
 
                // convert the returned password characters as string
                for (int x = 0; x <= passwordChars.length - 1; x++) {
 
                    passwordStr = passwordStr + passwordChars[x];
                }
 
                // check if the password entered is valid
                if (Password.isPasswordAuthentic(passwordStr)) {
 
 
                   // do something here
                }
                else if (passwordStr.equals("")) {
 
                    // do something here
                }
                else {
 
                   // do something here
                }
            }
        };
        userConfirmationBtn.addActionListener(pass);
        userConfirmationBtn.setMnemonic(KeyEvent.VK_E);
        userConfirmationBtn.setBounds(88, 55, 90, 20);
        userConfirmationBtn.setFont(new Font("Monospaced", Font.BOLD, 11));
        userConfirmationBtn.setBackground(Color.LIGHT_GRAY);
        userConfirmationBtn.registerKeyboardAction(userConfirmationBtn.getActionForKeyStroke(
                                                   KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0, false)),
                                                   KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false),
                                                   JComponent.WHEN_IN_FOCUSED_WINDOW);
        userConfirmationBtn.registerKeyboardAction(userConfirmationBtn.getActionForKeyStroke(
                                                   KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0, true)),
                                                   KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, true),
                                                   JComponent.WHEN_IN_FOCUSED_WINDOW);
 
 
        passwordPanel = new JPanel() {
 
            @Override
            protected void paintComponent(Graphics g) {
 
                // Scale image to size of component
                Dimension d = getSize();
 
                g.drawImage(frameBackground.getImage(), 0, 0, d.width, d.height, null);
 
                super.paintComponent(g);
            }
        };
        passwordPanel.setOpaque(false);
 
        // set this panel's layout to null for absolute positioning of
        // components
        passwordPanel.setLayout(null);
 
        // add the components to this panel
        passwordPanel.add(passwordLabel);
        passwordPanel.add(passwordField);
        passwordPanel.add(userConfirmationBtn);
 
 
        // add the panel to the container
        getContentPane().add(passwordPanel);
 
        setTitle(" User Confirmation");
        setIconImage(icon);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(288, 120);
        setResizable(false);
        setLocationRelativeTo(null);
        setVisible(true);
    }
 
    /**
     * Invoke this method if this window doesnt have any more use for this
     * current event.
     */
    private void disableWindow() {
 
        setVisible(false);
    }
 
    public static void main(String[] args) {
 
        // Schedule a job for the event-dispatching thread:
        // creating and showing this application's GUI.
        SwingUtilities.invokeLater(new Runnable() {
 
            public void run() {
 
                new PasswordField();
            }
        });
    }
}

the focus is on the "Enter" button so you dont have to press tab or click the button to be the focused component...

Code
if (Password.isPasswordAuthentic(passwordStr)) {
isn't valid.