9.1.8 I'm not sure how to start. Please answer all parts using the given format. Thank you!

For this exercise, you are going to design 3 classes: Computer - Superclass Laptop - Subclass Desktop - Subclass You will design these classes to optimize the superclass/subclass relationship by creating and getter/setter methods. Include the following instance variables: int screenSize - Inches of monitor space int memory - GB of ram double batteryLife - Hours of battery life boolean monitor - Whether or not a monitor is included Each class should have at least one variable in it. Once completed, the Tester class should execute without error. 31 A MacBook Pro 000 F2 20 F3 FO Sul 0 in FILES mec D Computer Tester java Computer java Laptop java uters Sove 1 public class Computer Tester 2. { 3 public static void main(String[] args) 4- 5 Laptop macBook - new LaptopO; 6 macBook.setBatteryLife(8.5): 7 8 Desktop dell - new Desktop; 9 dell.setScreensize(18); 10 11 Computer surface - new Computer; 12 surface.setScreenSize(11); 13 14 System.out.println(macBook.getBatteryLife(); 15 System.out.println(dell.getScreensize(); 16 System.out.println(surface.getScreensize(); 17 18) 19 D Desktop.java 1 Send 31 MacBook Pro SC # 2 3 4