package  test.swing;

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

 public   class  JFrameAct  extends  JFrame  implements  WindowListener {
   public  JFrameAct() {
     super ("Test");
    setDefaultCloseOperation(EXIT_ON_CLOSE);

    addWindowListener( this );

    setSize( 400 ,  400 );
    setVisible(true);
  }

   public   static   void  main(String[] args) {
    Runnable r =  new  Runnable() {
       public   void  run() {
         new  JFrameAct();
      }
    };

    EventQueue.invokeLater(r);
  }

   public   void  windowOpened(WindowEvent e) {

  }

   public   void  windowClosing(WindowEvent e) {

  }

   public   void  windowClosed(WindowEvent e) {

  }

   public   void  windowIconified(WindowEvent e) {

  }

   public   void  windowDeiconified(WindowEvent e) {

  }

   public   void  windowActivated(WindowEvent e) {
    System.out.println("Activated!");
  }

   public   void  windowDeactivated(WindowEvent e) {

  }
}