ButtonHandler.java

package eventbuttonframe;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
 *
 * @author INAM
 */
public class ButtonHandler implements ActionListener
{
 public void actionPerformed(ActionEvent event) 
 {
 JButton clickedButton = (JButton) event.getSource();
 JRootPane rootPane = clickedButton.getRootPane();
 JFrame frame = (JFrame) rootPane.getParent();
 String buttonText = clickedButton.getText();
 frame.setTitle("You clicked " + buttonText);
 
 
 Container C = frame.getContentPane();
 if(buttonText.equalsIgnoreCase("ok"))
 {
 C.setBackground(Color.YELLOW);
 
 }
 else if(buttonText.equalsIgnoreCase("CANCEL"))
 {
 C.setBackground(Color.MAGENTA);
 }
 }

 
}