Derive a class BuyNItemsGetOneFree from DiscountPolicy, as described in Exercise 10. The class should have a constructor that has a single parameter n. In addition, the class should define the method computeDiscount so that every nth item is free. For example, the following table gives the discount for the purchase of various counts of an item that costs $10, when n is 3:
What will be an ideal response?
See the code in BuyNItemsGetOneFree.java.
Computer Science & Information Technology
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Computer Science & Information Technology