
Explanation of Solution
Modified program:
The below highlighted lines are the modified statements in the Listing 6.22.
//import necessary header files
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
//define the class "ButtonIconDemo"
public class ButtonIconDemo extends JApplet implements ActionListener
{
//define the method "init()"
public void init( )
{
//create an object for "Container" class
Container contentPane = getContentPane( );
//set the background color
contentPane.setBackground(Color.WHITE);
//set the layout
contentPane.setLayout(new FlowLayout( ));
//create a button and give name to the button
JButton sunnyButton = new JButton("Sunny");
//Create object for "ImageIcon"
ImageIcon smileyFaceIcon = new ImageIcon("smiley.gif");
//set the icon
sunnyButton.setIcon(smileyFaceIcon);
//add the button to the window
contentPane.add(sunnyButton);
//add the action to the button
sunnyButton.addActionListener(this);
//create a button and give name to the button
JButton cloudyButton = new JButton("Cloudy");
//Create object for "ImageIcon"
ImageIcon nastyFaceIcon = new ImageIcon("nasty.gif");
//set the icon
cloudyButton...

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Chapter 6 Solutions
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