Question 1

A class object can be ____. That is, it is created each time the control reaches its declaration, and destroyed when the control exits the surrounding block.

Accepted Answer

A)   static
B)   automatic
C)   local
D)   publicE) C) and D)
F) B) and D)

Question 2

How many destructors can a class have?

Accepted Answer

A)   no explicit destructors
B)   one
C)   two
D)   any numberE) A) and C)
F) B) and C)

Question 3

A class and its members can be described graphically using a notation known as the ____ notation.

Accepted Answer

A)   OON
B)   OOD
C)   UML
D)   OOPE) B) and C)
F) A) and B)

Question 4

Non-static member variables of a class are called the ____________________ variables of the class.

Accepted Answer

The answer of Non-static member variables of a class are...

Question 5

What does ADT stand for?

Accepted Answer

A)   abstract definition type
B)   asynchronous data transfer
C)   abstract data type
D)   alternative definition typeE) A) and C)
F) C) and D)

Question 6

A(n) ____________________ contains the definitions of the functions to implement the operations of an object.

Accepted Answer

implementation file

Question 7

To guarantee that the member variables of a class are initialized, you use ____.

Accepted Answer

A)   accessors
B)   mutators
C)   constructors
D)   destructorE) All of the above
F) B) and C)

Question 8

If the heading of a member function of a class ends with the word const, then the function member cannot modify the private member variables, but it can modify the public member variables.

Accepted Answer

A) True 
 B)False

Question 9

-Consider the accompanying class definition, and the declaration: rectangleType bigRect;
Which of the following statements is correct?

Accepted Answer

A)   rectangleType.print() ;	
B)   rectangleType::print() ;
C)   bigRect.print() ;
D)   bigRect::print() ;E) C) and D)
F) A) and D)

Question 10

If an object is declared in the definition of a member function of the class, then the object can access both the public and private members of the class.

Accepted Answer

A) True 
 B)False  True

Question 11

In C++, the scope resolution operator is ____.

Accepted Answer

A)   :
B)   ::
C)   $
D)   .E) All of the above
F) B) and C) B

Question 12

As parameters to a function, class objects can be passed by reference only.

Accepted Answer

A) True 
 B)False

Question 13

A destructor has the character ____, followed by the name of the class.

Accepted Answer

A)   .
B)   ::
C)   #
D)   ˜E) All of the above
F) A) and C)

Question 14

-Consider the accompanying class and member functions definitions. How many constructors are present in the class definition?

Accepted Answer

A)   none
B)   one
C)   two
D)   threeE) B) and D)
F) A) and D)

Question 15

A(n) ____________________ is a statement specifying the condition(s) that must be true before the function is called.

Accepted Answer

The answer of A(n) ____________________ is a statement specifying the...

Question 16

In C++, class is a reserved word and it defines only a data type.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following class definitions is correct in C++?

Accepted Answer

A)  
B)  
C)  
D)  E) B) and C)
F) B) and D)

Question 18

You can use arithmetic operators to perform arithmetic operations on class objects.

Accepted Answer

A) True 
 B)False

Question 19

-Consider the UML class diagram shown in the accompanying figure. According to the UML class diagram, how many private members are in the class?

Accepted Answer

A)   none
B)   zero
C)   two
D)   threeE) A) and C)
F) B) and C)

Question 20

The components of a class are called the ____ of the class.

Accepted Answer

A)   elements
B)   members
C)   objects
D)   propertiesE) A) and B)
F) B) and C)

Exam 10: Classes and Data Abstraction

A class object can be ____. That is, it is created each time the control reaches its declaration, and destroyed when the control exits the surrounding block.

Correct AnswerverifiedShow Answer

How many destructors can a class have?

Correct AnswerverifiedShow Answer

A class and its members can be described graphically using a notation known as the ____ notation.

Correct AnswerverifiedShow Answer

Non-static member variables of a class are called the ____________________ variables of the class.

Correct AnswerverifiedShow Answer

What does ADT stand for?

Correct AnswerverifiedShow Answer

A(n) ____________________ contains the definitions of the functions to implement the operations of an object.

Correct Answerverifiedimplementation file

To guarantee that the member variables of a class are initialized, you use ____.

Correct AnswerverifiedShow Answer

If the heading of a member function of a class ends with the word const, then the function member cannot modify the private member variables, but it can modify the public member variables.

Correct AnswerverifiedShow Answer

-Consider the accompanying class definition, and the declaration: rectangleType bigRect; Which of the following statements is correct?

Correct AnswerverifiedShow Answer

If an object is declared in the definition of a member function of the class, then the object can access both the public and private members of the class.

Correct AnswerverifiedTrue

In C++, the scope resolution operator is ____.

Correct AnswerverifiedB

As parameters to a function, class objects can be passed by reference only.

Correct AnswerverifiedShow Answer

A destructor has the character ____, followed by the name of the class.

Correct AnswerverifiedShow Answer

-Consider the accompanying class and member functions definitions. How many constructors are present in the class definition?

Correct AnswerverifiedShow Answer

A(n) ____________________ is a statement specifying the condition(s) that must be true before the function is called.

Correct AnswerverifiedShow Answer

In C++, class is a reserved word and it defines only a data type.

Correct AnswerverifiedShow Answer

Which of the following class definitions is correct in C++?

Correct AnswerverifiedShow Answer

You can use arithmetic operators to perform arithmetic operations on class objects.

Correct AnswerverifiedShow Answer

-Consider the UML class diagram shown in the accompanying figure. According to the UML class diagram, how many private members are in the class?

Correct AnswerverifiedShow Answer

The components of a class are called the ____ of the class.

Correct AnswerverifiedShow Answer

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implementation file

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True

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B

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