C++ How to Program, 10/e

Answers to Self-Review Exercises

1. 12.1

   1. derived-class object.

   2. switch.

   3. abstract.

   4. concrete.

   5. dynamic_cast.

   6. type_info.

   7. Polymorphism.

   8. virtual.

   9. downcasting.

2. 12.2

   1. False. An abstract base class can include virtual functions with implementations.

   2. False. Referring to a base-class object with a derived-class handle is dangerous.

   3. False. Classes are never declared virtual. Rather, a class is made abstract by including at least one pure virtual function in the class.

   4. True.

   5. True.