JButton Add ActionListener using Inner Class

Below code adds ActionListener to a JButton using an Inner class.See also  JButton add Anonymous Class ActionListener /** * * @author...

Below code adds ActionListener to a JButton using an Inner class.See also JButton add Anonymous Class ActionListener

/**
 *
 * @author Eric
 * site:www.download-all.net
 */

import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class JButtonListener  extends JFrame {
    public JButton button;
    public int count=0;
    JButtonListener()
    {
        super();
        setSize(300,300);
        setLayout(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        button=new JButton("Ok");
        button.setBounds(10, 10, 200, 20);
        button.addActionListener(new Listener());
        
        add(button);
        
        setVisible(true);
   
    }
   
    public static void main(String args[])
    {
    new JButtonListener();
    }
    
    public class Listener implements ActionListener
    {
        public void actionPerformed(ActionEvent event)
   {
       count++;
   button.setText("Clicked  "+ count);
   
   
   } 
        
    
    
    }
    
    
}