import  java.awt.*;
 import  java.awt.event.*;
 import  javax.swing.*;
 public   class  MulticastTest {
	 public   static   void  main(String[] args) {
		MulticastFrame frame =  new  MulticastFrame();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}
}
/**
   Фрейм с кнопками, предназначенными для
   создания и удаления вторичных файлов
 */  
 class  MulticastFrame  extends  JFrame
{
	 public  MulticastFrame()
	{
		setTitle("MulticastTest");
		setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
		//Добавление панели к фрейму.
		MulticastPanel panel =  new  MulticastPanel();
		add(panel);
	}
	 public   static   final   int  DEFAULT_WIDTH =  300 ;
	 public   static   final   int  DEFAULT_HEIGHT =  200 ;
	
}
/**
 Панель с кнопками для создания и удаления фреймов. 
 */
 class  MulticastPanel  extends  JPanel
{
	 public  MulticastPanel()
	{
		//Добавление кнопки New
		JButton newButton =  new  JButton("New");
		add(newButton);
		 final  JButton closeAllButton =  new  JButton("Close all");
		add(closeAllButton);
		ActionListener newListener =  new  ActionListener()
		{
			 public   void  actionPerformed(ActionEvent event)
			{
				BlankFrame frame =  new  BlankFrame(closeAllButton);
				frame.setVisible(true);
			}
		};
		newButton.addActionListener(newListener);
		
	} 
	
}
/**
 Пустой фрейм, который захватывается щелчком на кнопке.
 */
 class  BlankFrame  extends  JFrame
{
	/**
	 Создание пустого фрейма.
	 @param closeButton кнопка для закрытия фрейма.
	 */
	 public  BlankFrame( final  JButton closeButton)
	{
		counter++;
		setTitle("Frame" + counter);
		setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
		setLocation(SPACING*counter, SPACING*COUNTER);
		closeListener =  new  ActionListener()
		{
			 public   void  actionPerformed(ActionEvent event)
			{
				closeButton.removeActionListener(closeListener);
				dispose();
			}
			
		};
		closeButton.addActionListener(closeListener)
	}
	 private  ActionListener closeListener;
	 public   static   final   int  DEFAULT_WIDTH =  200 ;
	 public   static   final   int  DEFAULT_HEIGHT = 150 ;
	 public   static   final   int  SPACING =  40 ;
	 private   static   int  counter =  0 ;
}

setLocation(SPACING*counter, SPACING*counter);

/**
   @version 1.41 2004-05-04
   @author Cay Horstmann
*/

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

 public   class  MulticastTest
{
    public   static   void  main(String[] args)
   {
      MulticastFrame frame =  new  MulticastFrame();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setVisible(true);
   }
}

/**
   A frame with buttons to make and close secondary frames
*/
 class  MulticastFrame  extends  JFrame
{
    public  MulticastFrame()
   {
      setTitle("MulticastTest");
      setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

      // add panel to frame

      MulticastPanel panel =  new  MulticastPanel();
      add(panel);
   }

    public   static   final   int  DEFAULT_WIDTH =  300 ;
    public   static   final   int  DEFAULT_HEIGHT =  200 ;  
}

/**
   A panel with buttons to create and close sample frames.
*/
 class  MulticastPanel  extends  JPanel
{
    public  MulticastPanel()
   {
      // add "New" button

      JButton newButton =  new  JButton("New");
      add(newButton);
       final  JButton closeAllButton =  new  JButton("Close all");
      add(closeAllButton);

      ActionListener newListener =  new  
         ActionListener()
         {
             public   void  actionPerformed(ActionEvent event)
            {
               BlankFrame frame =  new  BlankFrame(closeAllButton);
               frame.setVisible(true);
            }
         };

      newButton.addActionListener(newListener);
   }
}

/**
   A blank frame that can be closed by clicking a button.
*/
 class  BlankFrame  extends  JFrame
{
   /**
      Constructs a blank frame
      @param closeButton the button to close this frame
   */
    public  BlankFrame( final  JButton closeButton)
   {
      counter++;
      setTitle("Frame " + counter);
      setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
      setLocation(SPACING * counter, SPACING * counter);     
      
      closeListener =  new  
         ActionListener()
         {
             public   void  actionPerformed(ActionEvent event)
            {
               closeButton.removeActionListener(closeListener);
               dispose();
            }
         };
      closeButton.addActionListener(closeListener);
   }

    private  ActionListener closeListener;
    public   static   final   int  DEFAULT_WIDTH =  200 ;
    public   static   final   int  DEFAULT_HEIGHT =  150 ;  
    public   static   final   int  SPACING =  40 ;
    private   static   int  counter =  0 ;
}