1. Changing the order of Color Alternation Question 2. The ColorPanel program allows you to change a panel's background color from red to blue, blue to green, green to red and so forth in a repeating cycle. Download the program from the link provided below and run it on your local machine to see it in action. /JavaTutor/src/guibasics/reversecolor/ColorPanel.java Now modify this program so that clicking changes the colors in the opposite direction: red -> green -> blue -> red, from red to green, and so on. [note: we've provided the original code in the answer box.] You can see the correct result by clicking on the Color Panel link below: Color Panel

Assignment: 12.5 Exercises	Due Date: 7/16/2018 11:59 PM
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Question: 12.5.2

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1. Changing the order of Color Alternation

Question 2. The ColorPanel program allows you to change a panel's background color from red to blue, blue to green, green to red and so forth in a repeating cycle. Download the program from the link provided below and run it on your local machine to see it in action. /JavaTutor/src/guibasics/reversecolor/ColorPanel.java Now modify this program so that clicking changes the colors in the opposite direction: red -> green -> blue -> red, from red to green, and so on. [note: we've provided the original code in the answer box.] You can see the correct result by clicking on the Color Panel link below: Color Panel import javax.swing.*; import java.awt.Color; import java.awt.Dimension; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; public class ColorPanel extends JPanel implements ActionListener { public static final String RED = "red"; public static final String BLUE = "blue"; public static final String GREEN = "green"; public String currentColor; JButton changeColorButton; public ColorPanel() { changeColorButton = new JButton("Change Color"); this.add(changeColorButton); changeColorButton.addActionListener(this); this.setBackground(Color.red); this.currentColor = RED; this.setPreferredSize(new Dimension(400, 200)); } public void actionPerformed(ActionEvent e) {

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 if(currentColor.equals(RED)) { setBackground(Color.blue); currentColor = BLUE; } else if(currentColor.equals(BLUE)) { setBackground(Color.green); currentColor = GREEN; } else if(currentColor.equals(GREEN)) { setBackground(Color.red); currentColor = RED; }

} public static void main(String[] args) { JFrame frame = new JFrame("My Color Panel"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); ColorPanel newPanel = new ColorPanel(); frame.setContentPane(newPanel); frame.pack(); frame.setVisible(true); }// end main }// end class