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

public class Counter2 extends JFrame {
    
    private int count;
    private JButton b = new JButton("Push Me!");
    private JLabel label = new JLabel(generateLabel());
    private Container c = getContentPane();
    
    public static void main(String[] args) {
	Counter2 f = new Counter2();
	f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);				   
	f.setSize(200,100);
	f.setVisible(true); 
    }
    
    public Counter2() {
	c.setLayout( new FlowLayout(FlowLayout.LEFT) ); 
	c.add(b);
	c.add(label);
	b.addActionListener(new LabelMaker());
    }
    
    private String generateLabel() {
	return "Count: "+Integer.toString(count);
    }
    
    // Nested class:
    private class LabelMaker implements ActionListener {
	public void actionPerformed(ActionEvent e) {
	    count++;
	    label.setText(generateLabel());
	}
	
    }
    
}