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JPanel panel1 = new JPanel()

panell.setBackground(Color.white)

JPanel panel1 = new JPanel()

panell.setBackground(Color.white)

1. Write the integer values of red, green, and blue for the following RGB colors:

-red:(255,0,0), green: (0,255,0), blue(0,0,255)

2. Describe the roles and responsibilities of a frame, a panel, and a layout manager in a GUI application.

-The frame is just a rectangular box, a window, for panels to place in. A panel is a flat, rectangular area suitable for displaying other objects such as geometric shapes and images. A layout manager is object that we use to control the layout of multiple panels, the order of these panels.

3.Where are panels displayed when a border layout is used to control their placement in a window?

-Five areas, the north, south, west, east, and center of the frame.

4. Write a code segment that would be used to set the layout for adding panels to a 5-by-5 grid in a window. You may assume that the panel’s content pane is named pane.

-import javax.swing.*;

import java.awt.*;

public class GUIWindow{

public static void main(String[] args){

JFrame the GUI = new JFrame();

the GUI.setTitle(“Fourth GUI Program”)

theGUI.setSize(300,200)

theGUI.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)

JPanel panel1 = new JPanel()

panel1.setBackground(Color.white)

JPanel panel2 = new JPanel()

panel2.setBackground(Color.black)

JPanel panel3 = new JPanel()

panel3.setBackground(Color.white)

JPanel panel4 = new JPanel()

panel4.setBackground(Color.black)

JPanel panel5 = new JPanel()

panel5.setBackground(Color.white)

JPanel panel6 = new JPanel()

panel6.setBackground(Color.black)

JPanel panel7 = new JPanel()

panel7.setBackground(Color.white)

JPanel panel8 = new JPanel()

panel8.setBackground(Color.black)

JPanel panel9 = new JPanel()

panel9.setBackground(Color.white)

JPanel panel10 = new JPanel()

panel10.setBackground(Color.black)

JPanel panel11 = new JPanel()

panel11.setBackground(Color.white)

JPanel panel12 = new JPanel()

panel12.setBackground(Color.black)

JPanel panel13 = new JPanel()

panel13.setBackground(Color.white)

JPanel panel14 = new JPanel()

panel14.setBackground(Color.black)

JPanel panel15 = new JPanel()

panel15.setBackground(Color.white)

JPanel panel16 = new JPanel()

panel16.setBackground(Color.black)

JPanel panel17 = new JPanel()

panel17.setBackground(Color.white)

JPanel panel18 = new JPanel()

panel18.setBackground(Color.black)

JPanel panel19 = new JPanel()

panel19.setBackground(Color.white)

JPanel panel20 = new JPanel()

panel20.setBackground(Color.black)

JPanel panel21 = new JPanel()

panel21.setBackground(Color.white)

JPanel panel22 = new JPanel()

panel22.setBackground(Color.black)

JPanel panel23 = new JPanel()

panel23.setBackground(Color.white)

JPanel panel24 = new JPanel()

panel24.setBackground(Color.black)

JPanel panel25 = new JPanel()

panel25.setBackground(Color.white)

JPanel panel1 = new JPanel()

Container pane = theGUI.getContentPane()

pane.setLayout(new GridLayout(5,5))

pane.add(pane1)

pane.add(pane2)

pane.add(pane3)

pane.add(pane4)

pane.add(pane5)

pane.add(pane6)

pane.add(pane7)

pane.add(pane8)

pane.add(pane9)

pane.add(pane10)

pane.add(pane11)

pane.add(pane12)

pane.add(pane13)

pane.add(pane14)

pane.add(pane15)

pane.add(pane16)

pane.add(pane17)

pane.add(pane18)

pane.add(pane19)

pane.add(pane20)

pane.add(pane21)

pane.add(pane22)

pane.add(pane23)

pane.add(pane24)

pane.add(pane25)

theGUIsetVisible(true);

}

}