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Question

I have coded a password screen and have 2 text fields for the user to enter obviously their username and password. However when entering a password you should never be able to see what you are writing it should be in the form of stars or something so your password stays confidential.
So if your a programming guru and think you can do this then please give me the code which allows the user to enter their password but appears as stars and not letters.
This is the current password screen code:
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Password extends JFrame implements ActionListener{
     private JPanel panel, panel2;
     private JLabel label1, label2;
     private JTextField text1, text2;
     private JButton exit, login;
     private ImageIcon picture;
     public Password(){
          displayForm();
          displayFields();
          displayButtons();
          getContentPane().add(panel,"Center");
          getContentPane().add(panel2,"North");
          setVisible(true);
          int x = 20;
          int y = 50;
          int textheight = 20;
          int textwidth = 150;
          int labelwidth = 100;
          int xdist = textwidth*2;
          int ydist = textheight + 10;
     public void displayForm(){
          setTitle("IS Ltd Login Screen");
          setSize(320,450);
          //Center the frame
          Dimension dim = getToolkit().getScreenSize();
          setLocation(dim.width/2-getWidth()/2, dim.height/2-getHeight()/2);
          getContentPane().setLayout(new BorderLayout());
          Border etched = BorderFactory.createEtchedBorder();
          panel = new JPanel();
          panel.setLayout( null );
          panel2 = new JPanel();
          panel2.setLayout( new FlowLayout() );
          Border paneltitled = BorderFactory.createTitledBorder(etched,"");
//          panel.setBorder(paneltitled);
     public void displayFields(){
          int x = 20;
          int y = 50;
          int textheight = 20;
          int textwidth = 150;
          int labelwidth = 100;
          int xdist = textwidth*2;
          int ydist = textheight + 10;
          picture = new ImageIcon("logo.jpg");
          JLabel picLabel = new JLabel(picture);
          panel2.add(picLabel);
          label1 = new JLabel("User Name:");
          label1.setBounds(x, y, labelwidth, textheight);
          panel.add(label1);
          text1 = new JTextField("");
          text1.setBounds(x+labelwidth, y, textwidth, textheight);
          panel.add(text1);
          label2 = new JLabel("Password:");
          label2.setBounds(x, y + ydist, labelwidth, textheight);
          panel.add(label2);
          text2 = new JTextField("");
          text2.setBounds(x+labelwidth, y + ydist, textwidth, textheight);
          panel.add(text2);
     public void displayButtons(){
          exit= new JButton("EXIT");
          exit.addActionListener(this);
          exit.setBounds(20, 250, 70, 50 );
          panel.add( exit );
          login= new JButton("LOGIN");
          login.addActionListener(this);
          login.setBounds(220, 250, 70, 50 );
          panel.add( login );
     public void actionPerformed(ActionEvent e) {
          Object source = e.getSource();
          //try{
               if (source == login){
               JFrame myMenu = new SIMenu();
               dispose();
               else if (source == exit){
                    System.exit(0);
          /*catch (SQLException ex)     {
               System.out.println("Failed");
               System.out.println(ex.getMessage());
               System.exit(-1);
     public static void main(String[] args) {
          Password frame = new Password();
          frame.addWindowListener(new WindowAdapter() {
               public void windowClosing(WindowEvent e) {
                    System.exit(0);
}

Answer 1

So its only change to the following code.
import  javax.swing.*;
import  javax.swing.border.*;
import  java.awt.*;
import  java.awt.event.*;
import  java.sql.*;
* put your documentation comment here
public class Password extends JFrame
        implements ActionListener {
    private JPanel panel, panel2;
    private JLabel label1, label2;
    private JTextField text1;
    private JPasswordField text2;
    private JButton exit, login;
    private ImageIcon picture;
     * put your documentation comment here
    public Password () {
        displayForm();
        displayFields();
        displayButtons();
        getContentPane().add(panel, "Center");
        getContentPane().add(panel2, "North");
        setVisible(true);
        int x = 20;
        int y = 50;
        int textheight = 20;
        int textwidth = 150;
        int labelwidth = 100;
        int xdist = textwidth*2;
        int ydist = textheight + 10;
     * put your documentation comment here
    public void displayForm () {
        setTitle("IS Ltd Login Screen");
        setSize(320, 450);
        //Center the frame
        Dimension dim = getToolkit().getScreenSize();
        setLocation(dim.width/2 - getWidth()/2, dim.height/2 - getHeight()/2);
        getContentPane().setLayout(new BorderLayout());
        Border etched = BorderFactory.createEtchedBorder();
        panel = new JPanel();
        panel.setLayout(null);
        panel2 = new JPanel();
        panel2.setLayout(new FlowLayout());
        Border paneltitled = BorderFactory.createTitledBorder(etched, "");
        // panel.setBorder(paneltitled);
     * put your documentation comment here
    public void displayFields () {
        int x = 20;
        int y = 50;
        int textheight = 20;
        int textwidth = 150;
        int labelwidth = 100;
        int xdist = textwidth*2;
        int ydist = textheight + 10;
        picture = new ImageIcon("logo.jpg");
        JLabel picLabel = new JLabel(picture);
        panel2.add(picLabel);
        label1 = new JLabel("User Name:");
        label1.setBounds(x, y, labelwidth, textheight);
        panel.add(label1);
        text1 = new JTextField("");
        text1.setBounds(x + labelwidth, y, textwidth, textheight);
        panel.add(text1);
        label2 = new JLabel("Password:");
        label2.setBounds(x, y + ydist, labelwidth, textheight);
        panel.add(label2);
        text2 = new JPasswordField ("");
        text2.setBounds(x + labelwidth, y + ydist, textwidth, textheight);
        panel.add(text2);
     * put your documentation comment here
    public void displayButtons () {
        exit = new JButton("EXIT");
        exit.addActionListener(this);
        exit.setBounds(20, 250, 70, 50);
        panel.add(exit);
        login = new JButton("LOGIN");
        login.addActionListener(this);
        login.setBounds(220, 250, 70, 50);
        panel.add(login);
     * put your documentation comment here
     * @param e
    public void actionPerformed (ActionEvent e) {
        Object source = e.getSource();
        //try{
        if (source == login) {
            JFrame myMenu = new SIMenu();
            dispose();
        else if (source == exit) {
            System.exit(0);
        /*catch (SQLException ex) {
         System.out.println("Failed");
         System.out.println(ex.getMessage());
         System.exit(-1);
     * put your documentation comment here
     * @param args
    public static void main (String[] args) {
        Password frame = new Password();
        frame.addWindowListener(new WindowAdapter() {
             * put your documentation comment here
             * @param e
            public void windowClosing (WindowEvent e) {
                System.exit(0);
}good luck!