11.1 a) Inheritance. b)
protected. c) is-a or inheritance. d) has-a or composition. e) hierarchical. f)
public. g) constructor. h)
11.2 a) True. b) False. A has-a relationship is implemented via composition. An is-a relationship is implemented via inheritance. c) False. These are examples of has-a relationships. Class
Car has an is-a relationship with class
Vehicle. d) True. e) False. This is known as overriding, not overloading.