Work exercise 13.6, page 530, to design and implement class ComparableCircle that extends class Circle and implements interface Comparable. Follow the textbook specification for the new class and write a test program as specified.

13.6 (The ComparableCircle class) Define a class named ComparableCircle that extends Circle and implements Comparable. Draw the UML diagram and implement the compareTo method to compare the circles on the basis of area. Write a test class to find the larger of two instances of ComparableCircle objects.