QUESTION 1

1. Polymorphism can simplify programming by enabling programs to process objects that share the same superclass as if they're all objects of the superclass.

   True or False?

QUESTION 2

1. A class uses the _____ keyword to indicate that it supports the specified interface.

   		satisfies
   		reifies
   		realizes
   		implements

QUESTION 3

1. A class that does not implement (directly or indirectly) all the methods of the interfaces it is declared to support must be declared as ______.

QUESTION 4

1. A _____ method cannot be overridden in a subclass.

QUESTION 5

1. A class that is declared final cannot be a superclass.

   True or False?

QUESTION 6

1. You can determine if an object is of a particular type using the _______ operator.

QUESTION 7

1. Which of the following options is most likely to display the name of object obj's class?

   		System.out.print(obj.name);
   		System.out.print(obj.class.name);
   		System.out.print(obj.getName());
   		System.out.print(obj.getClass().getName());
   		System.out.print(obj.getClass.getName);

QUESTION 8

1. _______ classes cannot be directly instantiated and are intended for use only in inheritance hierarchies.

QUESTION 9

1. _______ classes are directly instantiable and provide an implementation for every method they declare.

QUESTION 10

1. An abstract class must contain at least one abstract method.

   True or False?