11. Classes

11. Animal

Animal and CarnivoreAnimal.

11. Candy

Food interface, Candy class, ComboCandy subclass.

11. Inheritance 1

Animal. Dog. Cat. Borzoi. Boxer. Abstract example: A, B, C.

11. Inheritance 2

Noisy, Colorable, Cat, RandomCat. Practice with classes, abstract classes, and interfaces.

Abstract Classes

When are abstract classes useful? A discussion of a few examples.

Interfaces

Concrete examples of interfaces.

11. AQuiz IAnswers

A quiz asking you to write an interface, an abstract class, and more.

11. Quiz B

11. Quiz C

11. Treasure Hunt

11. Instanceof