Define a class Planet that inherits Ball, as defined in this chapter. Your new class should have private data fields that specify a planet's mimimum and maximum distances from the sun and public methods that access or alter these distances.

Write Java statements for the following tasks:

a. Declare an instance my Sphere of Sphere with a radius 2.

b. Declare an instance my Ball of Ball whose radius is 6 and whose name is Beach ball.

c. Display the diameters of my Sphere and my Ball.