Question 1

Why should you generally pass an object of the class to a friend function as a reference parameter?

Accepted Answer

A) If the friend function changes the values of the data members). 
B) If the friend function will not change the values of the data members). 
C) It is more efficient to pass the object by reference. 
D) A and B 
E) A and C 
A) If the friend function changes the values of the data members). 
B) If the friend function will not change the values of the data members). 
C) It is more efficient to pass the object by reference. 
D) A and B 
E) A and C E

Question 2

Which of the following statements are true?

Accepted Answer

A) Array elements may be user-defined types structs or classes) 
B) If a function is expecting a variable of the base type of the array,then you can pass an element of the array to the function. 
C) All of the above. 
D) None of the above. 
A) Array elements may be user-defined types structs or classes) 
B) If a function is expecting a variable of the base type of the array,then you can pass an element of the array to the function. 
C) All of the above. 
D) None of the above. C

Question 3

Since accessor functions in a class do not modify or mutate the data members of the object,the function should have the __________ modifier.

Accepted Answer

A) reference 
B) friend 
C) const 
D) private 
A) reference 
B) friend 
C) const 
D) private C

Question 4

All operators can be overloaded.

Accepted Answer

A) True 
 B)False

Question 5

Who can access private data in a class?

Accepted Answer

A) members of the class 
B) friends of the class 
C) everyone 
D) B and C 
E) no one 
A) members of the class 
B) friends of the class 
C) everyone 
D) B and C 
E) no one

Question 6

A _________ function is not a member of the class,but has access to the private members of the class.

Accepted Answer

The answer of A _________ function is not a member...

Question 7

If we have a full selection of accessor and mutator functions,why would we have friend functions?

Accepted Answer

A) You should not have them 
B) More efficient access to the private data members. 
C) The friend function must call the accessor or mutator functions anyway. 
D) none of the above 
A) You should not have them 
B) More efficient access to the private data members. 
C) The friend function must call the accessor or mutator functions anyway. 
D) none of the above

Question 8

You may not change the precedence of operators by overloading them

Accepted Answer

A) True 
 B)False

Question 9

An operator that expects only one parameter is called a ________ operator

Accepted Answer

The answer of An operator that expects only one parameter...

Question 10

A friend function needs to be passed an object of the class.If the friend only needs to access the object,but not change its data members,then the object should be passed as _______________

Accepted Answer

a constant

Question 11

Which of the following operators can not be overloaded?

Accepted Answer

A) = 
B) == 
C) . 
D) [] 
A) = 
B) == 
C) . 
D) []

Question 12

The assignment operator must be a _________ of the class.

Accepted Answer

The answer of The assignment operator must be a _________...

Question 13

The following is a properly declared overloaded insertion operator for myClass.
ostream& operator <<ostream &out,const myClass &obj);

Accepted Answer

A) True 
 B)False

Question 14

Functions that are constant member functions may call the class mutator functions.

Accepted Answer

A) True 
 B)False

Question 15

When overloading an operator,which of the following is true?

Accepted Answer

A) One of the arguments must be an object of the class 
B) The operator can be a friend or a member of the class. 
C) The operator does not have to be a friend or a member of the class 
D) All of the above 
E) None of the above 
A) One of the arguments must be an object of the class 
B) The operator can be a friend or a member of the class. 
C) The operator does not have to be a friend or a member of the class 
D) All of the above 
E) None of the above

Question 16

The destructor for a class is called

Accepted Answer

A) explicitly from the main program 
B) when the class is instantiated 
C) when the object of the class goes out of scope 
D) Only at the end of main 
A) explicitly from the main program 
B) when the class is instantiated 
C) when the object of the class goes out of scope 
D) Only at the end of main

Question 17

Functions that are constant member functions may call constant class accessor functions.

Accepted Answer

A) True 
 B)False

Question 18

You cannot create new operators such as the quote).

Accepted Answer

A) True 
 B)False

Question 19

Which of the following function declarations would be correct to overload the multiply operator for the Rational numbers class?

Accepted Answer

A) friend Rational operator timesconst Rational &left,const Rational &right); 
B) Rational operator timesconst Rational &left,const Rational &right); 
C) friend Rational operator *const Rational &left,const Rational &right); 
D) Rational operator *const Rational &left,const Rational &right); 
A) friend Rational operator timesconst Rational &left,const Rational &right); 
B) Rational operator timesconst Rational &left,const Rational &right); 
C) friend Rational operator *const Rational &left,const Rational &right); 
D) Rational operator *const Rational &left,const Rational &right);

Question 20

Putting the keyword const in front of a pass by reference parameter guarantees ___________________

Accepted Answer

that the f

Why should you generally pass an object of the class to a friend function as a reference parameter?

Which of the following statements are true?

Since accessor functions in a class do not modify or mutate the data members of the object,the function should have the __________ modifier.

All operators can be overloaded.

Who can access private data in a class?

A _________ function is not a member of the class,but has access to the private members of the class.

If we have a full selection of accessor and mutator functions,why would we have friend functions?

You may not change the precedence of operators by overloading them

An operator that expects only one parameter is called a ________ operator

A friend function needs to be passed an object of the class.If the friend only needs to access the object,but not change its data members,then the object should be passed as _______________

Which of the following operators can not be overloaded?

The assignment operator must be a _________ of the class.

The following is a properly declared overloaded insertion operator for myClass. ostream& operator <<ostream &out,const myClass &obj);

Functions that are constant member functions may call the class mutator functions.

When overloading an operator,which of the following is true?

The destructor for a class is called

Functions that are constant member functions may call constant class accessor functions.

You cannot create new operators such as the quote).

Which of the following function declarations would be correct to overload the multiply operator for the Rational numbers class?

Putting the keyword const in front of a pass by reference parameter guarantees ___________________

Introduction to Computer and C Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Strings and Vectors

Pointers and Dynamic Arrays

Defining Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters

Exam 11: Friends, overloaded Operators, and Arrays in Classes

Why should you generally pass an object of the class to a friend function as a reference parameter?

Which of the following statements are true?

Since accessor functions in a class do not modify or mutate the data members of the object,the function should have the __________ modifier.

All operators can be overloaded.

Who can access private data in a class?

A _________ function is not a member of the class,but has access to the private members of the class.

If we have a full selection of accessor and mutator functions,why would we have friend functions?

You may not change the precedence of operators by overloading them

An operator that expects only one parameter is called a ________ operator

A friend function needs to be passed an object of the class.If the friend only needs to access the object,but not change its data members,then the object should be passed as _______________

Which of the following operators can not be overloaded?

The assignment operator must be a _________ of the class.

The following is a properly declared overloaded insertion operator for myClass. ostream& operator <<ostream &out,const myClass &obj);

Functions that are constant member functions may call the class mutator functions.

When overloading an operator,which of the following is true?

The destructor for a class is called

Functions that are constant member functions may call constant class accessor functions.

You cannot create new operators such as the quote).

Which of the following function declarations would be correct to overload the multiply operator for the Rational numbers class?

Putting the keyword const in front of a pass by reference parameter guarantees ___________________

Introduction to Computer and C Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Strings and Vectors

Pointers and Dynamic Arrays

Defining Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Inheritance

Exception Handling

Templates

Standard Template Library

Filters