/**
     *
     */
    package gui;

    import javax.swing.*;

    import gui.GUI;

    import java.awt.*;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    import java.util.Locale;
    import java.util.ResourceBundle;

    /**
     * @author Michelle
     *
     */
    public class GUI extends JFrame implements ActionListener {
        ResourceBundle res, res1, res2;
        JFrame frame;
        JButton button, button1, button2, button3, button4;
        JLabel label, label1,label2,label3, label4;
        JScrollPane output;
        JComboBox<String> combo;
        String[] array;

        public GUI()
        {
        Locale loc = new Locale("fr"); //create Locale for French in France

        res = res.getBundle("programResource.ProgramResource_fr",loc); //Create resource bundle
        res1 = res1.getBundle("programResource.ProgramResource_jp",loc);
        res2 = res2.getBundle("programResource.ProgramResource_en",loc);

            Container c = getContentPane();
            JPanel p = new JPanel();
            String[] array = {"English", "French", "Japanese"};
            combo = new JComboBox<String>(array);
            output = new JScrollPane(combo);
            combo.addActionListener(this);

            JMenuBar mb = new JMenuBar();

            mb.add(output);

            setJMenuBar(mb);

            label = new JLabel();
            label1 = new JLabel();
            label2= new JLabel();
            label3 = new JLabel();
            label4 = new JLabel();

            ImageIcon apple = new ImageIcon("apple.jpg");
            label.setIcon(apple);
            button = new JButton("Apple");
            button.addActionListener(this);

            ImageIcon banana = new ImageIcon("banana.jpg");
            label1.setIcon(banana);
            button1 = new JButton("banana");
            button1.addActionListener(this);

            ImageIcon grapes = new ImageIcon("grapes.jpg");
            label2.setIcon(grapes);
            button2 = new JButton("Grapes");
            button2.addActionListener(this);

            ImageIcon orange = new ImageIcon("orange.jpg");
            label3.setIcon(orange);
            button3 = new JButton("Orange");
            button3.addActionListener(this);

            ImageIcon pear = new ImageIcon("pear.jpg");
            label4.setIcon(pear);
            button4 = new JButton("Pear");
            button4.addActionListener(this);

            p.add(label);
            p.add(label1);
            p.add(label2);
            p.add(label3);
            p.add(label4);
            p.add(button);
            p.add(button1);
            p.add(button2);
            p.add(button3);
            p.add(button4);
            c.add(p);

            setSize(425,300);
            setVisible(true);
        }

        //French
        public void actionPerformed(ActionEvent a) {
            Button(a);
            Button1(a);
            Button2(a);
            Button3(a);
            Button4(a);

            }

    public void Button(ActionEvent a) {
        if (a.getSource() instanceof JComboBox) {
            // TODO Auto-generated method stub
        JComboBox ref = (JComboBox)a.getSource();

            if(ref.getSelectedItem().equals("French"))
            {
                button.setText(res.getString("computeButton"));
            }
            else if(ref.getSelectedItem().equals("Japanese"))
            {
                button.setText(res1.getString("computeButton1_jp"));
            }
            else if(ref.getSelectedItem().equals("English"))
            {
                button.setText(res2.getString("computeButton_en"));
            }
        }
    }

    public void Button1(ActionEvent a) {
        if (a.getSource() instanceof JComboBox) {
            // TODO Auto-generated method stub
        JComboBox ref = (JComboBox)a.getSource();

            if(ref.getSelectedItem().equals("French"))
            {
                button1.setText(res.getString("computeButton1"));
            }
            else if(ref.getSelectedItem().equals("Japanese"))
            {
                button1.setText(res1.getString("computeButton1_jp"));
            }
            else if(ref.getSelectedItem().equals("English"))
            {
                button1.setText(res2.getString("computeButton1_en"));
            }
        }
    }

    public void Button2(ActionEvent a) {
        if (a.getSource() instanceof JComboBox) {
            // TODO Auto-generated method stub
        JComboBox ref = (JComboBox)a.getSource();

            if(ref.getSelectedItem().equals("French"))
            {
                button2.setText(res.getString("computeButton2"));
            }

            else if(ref.getSelectedItem().equals("Japanese"))
            {
                button2.setText(res1.getString("computeButton2_jp"));
            }
            else if(ref.getSelectedItem().equals("English"))
            {
                button2.setText(res2.getString("computeButton2_en"));
            }
        }
    }

    public void Button3(ActionEvent a) {
        if (a.getSource() instanceof JComboBox) {
            // TODO Auto-generated method stub
        JComboBox ref = (JComboBox)a.getSource();

            if(ref.getSelectedItem().equals("French"))
            {
                button3.setText(res.getString("computeButton3"));
            }
            else if(ref.getSelectedItem().equals("Japanese"))
            {
                button3.setText(res1.getString("computeButton3_jp"));
            }
            else if(ref.getSelectedItem().equals("English"))
            {
                button3.setText(res2.getString("computeButton3_en"));
            }
        }
    }

    public void Button4(ActionEvent a) {
        if (a.getSource() instanceof JComboBox) {
            // TODO Auto-generated method stub
        JComboBox ref = (JComboBox)a.getSource();

            if(ref.getSelectedItem().equals("French"))
            {
                button4.setText(res.getString("computeButton4"));
            }

            else if(ref.getSelectedItem().equals("Japanese"))
            {
                button4.setText(res1.getString("computeButton4_jp"));
            }
            else if(ref.getSelectedItem().equals("English"))
            {
                button4.setText(res2.getString("computeButton4_en"));
            }
        }
    }

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        GUI gui = new GUI();
        gui.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    }

Button button1 = new Button();
    button1.setCaption(ResourceBundle.getBundle("yourfile",your_locale).getLabel("fruit.banana"));
    button1.setIcon(CommonIcons.ADD);
    button1.addListener(new ClickListener()
    {
        private static final long serialVersionUID = 7855693595481663167L;

        @Override
        public void buttonClick(ClickEvent event)
        {
            handleAddButton();
        }
    });