Consider a class RatingScore that represents a numeric rating for something such as a movie. Its attributes are

• A description of what is being rated
• The maximum possible rating
• The rating

It will have methods to

• Get the rating from a user
• Return the maximum rating possible
• Return the rating
• Return a string showing the rating in a format suitable for display

a. Write a method heading for each method.

b. Write preconditions and postconditions for each method.

c. Write some Java statements that test the class.

d. Implement the class.