Exercises
| 10.3 | How does polymorphism enable you to program “in the general” rather than “in the specific”? Discuss the key advantages of programming “in the general.” |
| 10.4 | A subclass can inherit “interface” or “implementation” from a superclass. How do inheritance hierarchies designed for inheriting interface differ from those designed for inheriting implementation? |
| 10.5 | What are abstract methods? Describe the circumstances in which an abstract method would be appropriate. |
| 10.6 | How does polymorphism promote extensibility? |
| 10.7 | Discuss four ways in which you can assign superclass and subclass references to variables of superclass and subclass types. |
| 10.8 | Compare and contrast abstract classes and interfaces. Why would you use an abstract class? Why would ... |
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