// Exercise 2.13
// Create GUI Microwave
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.awt.event.*;

public class Microwave extends JFrame
{
   private JLabel displayJLabel;
   private JButton oneJButton, twoJButton, threeJButton, 
      fourJButton, fiveJButton, sixJButton, sevenJButton, 
      eightJButton, nineJButton, zeroJButton, startJButton, 
      clearJButton;
   private JPanel doorJPanel, controlJPanel;
   
   // no-argument constructor
   public Microwave()
   {
      createUserInterface();
   }
   
   // create and position GUI components; register event handlers
   private void createUserInterface()
   {
      // get content pane and set layout to null
      Container contentPane = getContentPane();
      contentPane.setLayout( null );
      
      // set up doorJPanel
      doorJPanel = new JPanel();
      contentPane.add( doorJPanel );
      
      // set up controlJPanel
      controlJPanel = new JPanel();
      controlJPanel.setLayout( null );
      controlJPanel.setBounds( 368, 16, 182, 284 );
      controlJPanel.setBorder( new LineBorder( Color.BLACK ) );
      contentPane.add( controlJPanel );
      
      // set up displayJLabel
      displayJLabel = new JLabel();
      displayJLabel.setBounds( 31, 13, 120, 30 );
      displayJLabel.setText( "12:00" );
      displayJLabel.setBorder( new LineBorder( Color.BLACK ) );
      displayJLabel.setHorizontalAlignment( JLabel.CENTER );
      controlJPanel.add( displayJLabel );
      
      // set up oneJButton
      oneJButton = new JButton();
      oneJButton.setBounds( 23, 56, 45, 45 );
      oneJButton.setText( "1" );
      controlJPanel.add( oneJButton );
      
      // set up twoJButton
      twoJButton = new JButton();
      twoJButton.setBounds( 68, 56, 45, 45 );
      twoJButton.setText( "2" );
      controlJPanel.add( twoJButton );
      
      // set up threeJButton
      threeJButton = new JButton();
      threeJButton.setBounds( 113, 56, 45, 45 );
      threeJButton.setText( "3" );
      controlJPanel.add( threeJButton );
      
      // set up fourJButton
      fourJButton = new JButton();
      fourJButton.setBounds( 23, 101, 45, 45 );
      fourJButton.setText( "4" );
      controlJPanel.add( fourJButton );
      
      // set up fiveJButton
      fiveJButton = new JButton();
      fiveJButton.setBounds( 68, 101, 45, 45 );
      fiveJButton.setText( "5" );
      controlJPanel.add( fiveJButton );
      
      // set up sixJButton
      sixJButton = new JButton();
      sixJButton.setBounds( 113, 101, 45, 45 );
      sixJButton.setText( "6" );
      controlJPanel.add( sixJButton );
      
      // set up sevenJButton
      sevenJButton = new JButton();
      sevenJButton.setBounds( 23, 146, 45, 45 );
      sevenJButton.setText( "7" );
      controlJPanel.add( sevenJButton );
      
      // set up eightJButton
      eightJButton = new JButton();
      eightJButton.setBounds( 68, 146, 45, 45 );
      eightJButton.setText( "8" );
      controlJPanel.add( eightJButton );
      
      // set up nineJButton
      nineJButton = new JButton();
      nineJButton.setBounds(113, 146, 45, 45 );
      nineJButton.setText( "9" );
      controlJPanel.add( nineJButton );
      
      // set up zeroJButton
      zeroJButton = new JButton();
      zeroJButton.setBounds( 68, 191, 45, 45 );
      zeroJButton.setText( "0" );
      controlJPanel.add( zeroJButton );
      
      // set up startJButton
      startJButton = new JButton();
      startJButton.setBounds( 13, 252, 74, 24 );
      startJButton.setText( "Start" );
      controlJPanel.add( startJButton );
      
      // set up clearJButton
      clearJButton = new JButton();
      clearJButton.setBounds( 100, 252, 74, 24 );
      clearJButton.setText( "Clear" );
      controlJPanel.add( clearJButton );
      
      // set properties of application's window
      setTitle( "Microwave" ); // set title bar text
      setSize( 574, 346 );     // set window size
      setVisible( true );      // display window

   } // end method createUserInterface
   
   // main method
   public static void main( String[] args ) 
   {
      Microwave application = new Microwave();
      application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

   } // end method main

} // end class Microwave


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  * (C) Copyright 1992-2004 by Deitel & Associates, Inc. and               *
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