Beginning C# 2008 Objects: From Concept to Code

2.6. Exercises

1. Sketch an abstraction hierarchy that relates all the following classes in a reasonable manner:

   Apple

   Banana

   Beef

   Beverage

   Cheese

   Consumable

   Dairy Product

   Food

   Fruit

   Green Bean

   Meat

   Milk

   Pork

   Spinach

   Vegetable

   Note any challenges you faced in doing so.

2. What aspects of a television set would be important to abstract from the perspective of

   • A consumer wishing to buy one?

   • An engineer responsible for designing one?

   • A retailer who sells them?

   • The manufacturer?

3. Select a problem area that you want to model from an object-oriented perspective. Ideally, this will be a problem that you're actually going to be working on at your place of employment or that you have a keen interest in. Assume that you're going to write a program to automate some aspect of this ...