// Fig. 12.27: PanelDemo.java
// Using a JPanel to help lay out components.

// Java core packages
import java.awt.*;
import java.awt.event.*;

// Java extension packages
import javax.swing.*;

public class PanelDemo extends JFrame {
   private JPanel buttonPanel;
   private JButton buttons[];

   // set up GUI
   public PanelDemo()
   {
      super( "Panel Demo" );

      // get content pane
      Container container = getContentPane();

      // create buttons array
      buttons = new JButton[ 5 ];

      // set up panel and set its layout
      buttonPanel = new JPanel();
      buttonPanel.setLayout(
         new GridLayout( 1, buttons.length ) );

      // create and add buttons
      for ( int count = 0; count < buttons.length; count++ ) {
         buttons[ count ] = 
            new JButton( "Button " + ( count + 1 ) );
         buttonPanel.add( buttons[ count ] );
      }

      container.add( buttonPanel, BorderLayout.SOUTH );

      setSize( 425, 150 );
      setVisible( true );
   }

   // execute application
   public static void main( String args[] )
   {
      PanelDemo application = new PanelDemo();

      application.setDefaultCloseOperation(
         JFrame.EXIT_ON_CLOSE );
   }

}  // end class PanelDemo


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 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
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