import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JFrame {
private JButton button1 = new JButton("Click Me!");
public static void main(String[] args) {
new MainClass();
}
public MainClass() {
this.setSize(200, 100);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("I'm Listening");
ClickListener cl = new ClickListener();
JPanel panel1 = new JPanel();
button1.addActionListener(cl);
panel1.add(button1);
this.add(panel1);
this.setVisible(true);
}
private class ClickListener implements ActionListener {
private int clickCount = 0;
public void actionPerformed(ActionEvent e) {
if (e.getSource() == button1) {
clickCount++;
if (clickCount == 1)
button1.setText("I've been clicked ");
else
button1.setText("I've been clicked!" + clickCount + " times!");
}
}
}
}