Quiz10-Object Oriented Programming

Question 1

The act of declaring a class variable does not actually create an object in memory. (T/F)

Answer 1

True

Question 2

If a constructor is not written when the class is compiled, then a constructor is automatically provided and is known as the ‘default constructor’. (T/F)

Answer 2

True

Question 3

Entities do not have direct access to the object’s private methods.(T/F)

Answer 3

True

Question 4

In an inheritance relationship, the superclass inherits members from the subclass.(T/F)

Answer 4

False

Question 5

There are primarily three methods of programming in use today: procedural, recursive, and object oriented.(T/F)

Answer 5

False

Question 6

UML (Unified Modeling Language) is another name for a flowchat that uses classes.(T/F)

Answer 6

False

Question 7

A constructor is a member of a class that holds data.(T/F)

Answer 7

False

Question 8

_________ programming is centered on the procedures of actions that take place in a program.

Answer 8

Procedural

Question 9

___________ programming encapsulates data and functions in an object.

Answer 9

Object-oriented

Question 10

A(n) __________ entity contains both data and procedures.

Answer 10

object

Question 11

The variables, arrays, or other data structures that are stored in an object are known as the object’s _____________.

Answer 11

fields

Question 12

The procedures that an object performs are known as the object’s ____________.

Answer 12

methods

Question 13

In the pseudocode of the textbook, a class __________ starts with the word Class, followed by the name of the class.

Answer 13

definition

Question 14

The fields and methods that belong in a class are known as the class’s __________.

Answer 14

members

Question 15

In a class definition, if the word Private appears before a field declaration, Private is known as a(n) _____________.

Answer 15

access specifier

Question 16

Mutator methods are sometimes called ___________.

Answer 16

Setters

Question 17

Another name for accessor methods is ______________.

Answer 17

Getters

Question 18

The ability to create methods with the same name that are in different classes is known as ____________.

Answer 18

polymorphism

Question 19

A(n) ________ is a strandard way to draw diagrams that describe object-oriented systems.

Answer 19

UML diagram

Question 20

In a UML diagram the ___________ character, placed in front of a field or method name, indicates that it is Public.
A) -
B) =
C) +

Answer 20

C) +

Question 21

The ___________ method is automatically called when an object is created.

Answer 21

constructor

Question 22

Given a class named Animals and a class variable named ducky which will reference an Animals object, which is the correct way, using the textbook’s pseudocode, to create an Animals object?

A) Set ducky = New Animals( )
B) Set ducky = Animals( )
C) Set Animals = New ducky( )

Answer 22

A) Set ducky = New Animals( )