Event Java

import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JFrame;
public class WindowTest {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Window Listener");
    WindowListener listener = new WindowListener() {
      public void windowActivated(WindowEvent w) {
        System.out.println(w);
      }
      public void windowClosed(WindowEvent w) {
        System.out.println(w);
      }
      public void windowClosing(WindowEvent w) {
        System.out.println(w);
        System.exit(0);
      }
      public void windowDeactivated(WindowEvent w) {
        System.out.println(w);
      }
      public void windowDeiconified(WindowEvent w) {
        System.out.println(w);
      }
      public void windowIconified(WindowEvent w) {
        System.out.println(w);
      }
      public void windowOpened(WindowEvent w) {
        System.out.println(w);
      }
    };
    frame.addWindowListener(listener);
    frame.setSize(300, 300);
    frame.show();
  }
}