Gathering the data

Question

how do i make it so that when the radio button is clicked, a string of text is displayed below it? everytime i make an action listener for one of the radio buttons, my application won't run
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class swingMakeup implements ItemListener{
    JPanel cards; //a panel that uses CardLayout
    final static String BUTTONPANEL = "Meats";
    final static String TEXTPANEL = "Name Of Customer";
    final static String TEXTPANEL2 = "Number of Subs";
    final static String CHECKPANEL = "Fixins'";
    JRadioButton beef, turkey, sheep;
    JTextField name, number;
    public void addComponentToPane(Container pane) {
        //Put the JComboBox in a JPanel
        JPanel comboBoxPane = new JPanel();
        String comboBoxItems[] = { BUTTONPANEL, TEXTPANEL, TEXTPANEL2, CHECKPANEL };
        JComboBox cb = new JComboBox(comboBoxItems);
        cb.setEditable(false);
        cb.addItemListener(this);
        comboBoxPane.add(cb);
        //Create the cards
        JPanel card1 = new JPanel();
        card1.add(beef=new JRadioButton("Beef Lips -- $5.00"));
        card1.add(turkey=new JRadioButton("Turkey Liver -- $4.00"));
        card1.add(sheep=new JRadioButton("Sheep Stomach -- $6.00"));
        JPanel card2 = new JPanel();
        card2.add(name=new JTextField("", 20));
        JPanel card3 = new JPanel();
        card3.add(number=new JTextField("", 20));
        JPanel card4 = new JPanel();
        card4.add(new JCheckBox("Lettuce"));
        card4.add(new JCheckBox("Tomato"));
        card4.add(new JCheckBox("Onion"));
        card4.add(new JButton("Submit Order"));
        //Create the panel that contains the cards
        cards = new JPanel(new CardLayout());
        cards.add(card1, BUTTONPANEL);
        cards.add(card2, TEXTPANEL);
        cards.add(card3, TEXTPANEL2);
        cards.add(card4, CHECKPANEL);
        pane.add(comboBoxPane, BorderLayout.PAGE_START);
        pane.add(cards, BorderLayout.CENTER);
    public void itemStateChanged(ItemEvent evt) {
        CardLayout cl = (CardLayout)(cards.getLayout());
        cl.show(cards, (String)evt.getItem());
    private static void createAndShowGUI() {
        JFrame frame = new JFrame("swingMakeup");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        swingMakeup demo = new swingMakeup();
        demo.addComponentToPane(frame.getContentPane());
        frame.pack();
        frame.setVisible(true);
    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
}

Answer 1

* Matthew Tye
* Makeup Lab
* 12-7-06
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class swingMakeup implements ItemListener, ActionListener{
    JPanel cards; //a panel that uses CardLayout
    final static String BUTTONPANEL = "Meats";
    final static String TEXTPANEL = "Name Of Customer";
    final static String TEXTPANEL2 = "Number of Subs";
    final static String CHECKPANEL = "Fixins'";
    JRadioButton beef, turkey, sheep;
    JTextField name, number;
    public void addComponentToPane(Container pane) {
        //Put the JComboBox in a JPanel
        JPanel comboBoxPane = new JPanel();
        String comboBoxItems[] = { BUTTONPANEL, TEXTPANEL, TEXTPANEL2, CHECKPANEL };
        JComboBox cb = new JComboBox(comboBoxItems);
        cb.setEditable(false);
        cb.addItemListener(this);
        beef.addActionListener(this);
        comboBoxPane.add(cb);
        //Create the cards
        JPanel card1 = new JPanel();
        card1.add(beef=new JRadioButton
        ("Beef Lips -- $5.00"));
        card1.add(turkey=new JRadioButton
        ("Turkey Liver -- $4.00"));
        card1.add(sheep=new JRadioButton
        ("Sheep Stomach -- $6.00"));
        JPanel card2 = new JPanel();
        card2.add(name=new JTextField("", 20));
        JPanel card3 = new JPanel();
        card3.add(number=new JTextField("", 20));
        JPanel card4 = new JPanel();
        card4.add(new JCheckBox("Lettuce"));
        card4.add(new JCheckBox("Tomato"));
        card4.add(new JCheckBox("Onion"));
        card4.add(new JButton("Submit Order"));
        //Create the panel that contains the cards
        cards = new JPanel(new CardLayout());
        cards.add(card1, BUTTONPANEL);
        cards.add(card2, TEXTPANEL);
        cards.add(card3, TEXTPANEL2);
        cards.add(card4, CHECKPANEL);
        pane.add(comboBoxPane, BorderLayout.PAGE_START);
        pane.add(cards, BorderLayout.CENTER);
    public void actionPerformed (ActionEvent e)
    if(e.getSource()==beef){
    public void itemStateChanged(ItemEvent evt) {
        CardLayout cl = (CardLayout)(cards.getLayout());
        cl.show(cards, (String)evt.getItem());
    private static void createAndShowGUI() {
        JFrame frame = new JFrame("swingMakeup");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        swingMakeup demo = new swingMakeup();
        demo.addComponentToPane(frame.getContentPane());
        frame.pack();
        frame.setVisible(true);
    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
}