Part-I Inheritance: Extending a Class Given the following startup code of a Java class: 1 public class Point{ 2 3 // The X coordinate of this Point protected double x; 4 // The Y coordinate of this Point protected double y; 7} (50 marks) 1. Adding Setter & Getter Methods (8 marks) (a) Add a getter method to access the protected field x (2 marks) (b) Add a setter method to set the protected field x (2 marks) (c) Add a getter method to access the protected field y (2 marks) (d) Add a setter method to set the protected field y (2 marks)