CSC 351 - Chapter 12

Question 1

Object Oriented Programming Language Features

Answer 1

• abstract data types
• inheritance
• polymorphism

Question 2

Inheritance

Answer 2

• allows new classes to be defined in terms of existing ones

Question 3

Object Oriented Programming Concepts

Answer 3

• abstract data types are classes
• class instances are objects
• class that inherits another is a subclass
• class from which another is inherited is a superclass

Question 4

Kinds of Variables

Answer 4

• class variables

- instance variables

Question 5

Kinds of Methods

Answer 5

• class methods

- instance methods

Question 6

Polymorphic Variable

Answer 6

• able to reference objects of the class and objects of its descendants

Question 7

Abstract Class

Answer 7

• includes at least one virtual method

- cannot be instantiated

Question 8

Multiple Inheritance

Answer 8

• allows a new class to inherit two or more classes