1-a.)White-new Color(255, 255, 255)
b.)Black-new Color(0, 0, 0)
c.)Highest Intensity Blue-new Color(200, 200, 255)
d.)Medium Gray-new Color(128, 128, 0)
2.)A frame is a class which the code for application windows in Java is located. A panel is a flat, rectangular area suitable for displaying other objects such as geometric shapes and images. A layout manager is an object which a frame or a panel uses in container object in Java.
3.)where are panels displayed when a border layout is used to control their placement in a window
 When we have more than one panel or other objects to display in a window, we have to be concern about how they are organized or laid  out.
4.)write a code used to set the layout for adding panels to a 5-by-5 grid in a window
import javax.swing.*;

import java.awt;

public class GuIWindow{ 

     public static void main (String[ ] arg){

theGUI. setTitle(” Fourth GUI Program”);

the GUI.setSize(300, 200);

the GUI.setDefaultCloseOperation(JFrame. EXIT_ON_Close);

JPanel panell = new Jpanel(); 

panel1.setBackground(Color.White);

JPanel panel2 = new Jpanel(); 

panel1.setBackground(Color.black);

JPanel panel3 = new Jpanel(); 

panel1.setBackground(Color.gray);

JPanel panel4 = new Jpanel(); 

panel1.setBackground(Color.white)

container pane = theGUI.get Content Pane( );

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

pane.add(Panel1);

pane.add(Panel2);

pane.add(Panel3);

pane.add(Panel4);

theGUI.setVisible(true);