cookie clicker applet for java class

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
 *
 */
public class ClickerGUI extends JApplet
     implements ActionListener
{
    private JTextField inputField;
    private int cookies = 0;
    private final String ADD = "Add";
    private final String CLEAR = "Clear";
    private JLabel prompt;



    public void init()
    {

        Container contentPane = getContentPane();

        // set layout with spacing
        contentPane.setLayout(new BorderLayout(12,12));

        // add the title label
        JLabel title = new JLabel("Joseph's cookie clicker and GUI Demonstartion.");
        contentPane.add(title, BorderLayout.NORTH);

        // create the bottom part with the number of cookies
        JPanel centerPanel = new JPanel();
        JLabel prompt = new JLabel("Number of cookies: " + cookies);
        centerPanel.add(prompt);
        contentPane.add(centerPanel, BorderLayout.NORTH);



        // make a panel for the buttons
        JPanel buttonPanel = new JPanel();

        // add the buttons to the button panel
        JButton Add = new JButton();
        Add.setIcon(new ImageIcon("PerfectCookie.jpg"));
        Add.addActionListener(this);


        buttonPanel.add(Add);



        JButton clear = new JButton(CLEAR);
        clear.addActionListener(this);
        buttonPanel.add(clear);

        // add the buttons panel to the content pane
        contentPane.add(buttonPanel, BorderLayout.CENTER);
    }


    public void actionPerformed(ActionEvent evt)
    {
        String command = evt.getActionCommand();
        // if clear button pressed
        if(CLEAR.equals(command))
            cookies = 0;
        // uppercase button pressed
        else if(ADD.equals(command)){
            cookies++;
            prompt.setText("Number of cookies: " + cookies);
        }


  }

}