Chapter 13

Question 1

True or false:
In C++,&raquo_space; is used as a stream extraction operator and as a right shift operator.

Answer 1

True

Question 2

True or false:
Operator functions typically return void.

Answer 2

False

Question 3

True or false:
Operators can be overloaded either for objects of the user-defined types, or for a combination of objects of the user-defined type and objects of the built-in type.

Answer 3

True

Question 4

True or false:
In C++, operator is a reserved word.

Answer 4

True

Question 5

True or false:
A friend function does not have access to the private data members of the class.

Answer 5

False

Question 6

True or false:
The declaration of a friend function cannot be placed within the private part of the class.

Answer 6

False

Question 7

True or false:
When writing the definition of a friend function, the name of the class and the scope resolution operator precede the name of the friend function in the function heading.

Answer 7

False

Question 8

True or false:
Most operator functions can either be member functions or nonmember functions of a class.

Answer 8

True

Question 9

True or false:
Both parameters of the function to overload the operator &laquo_space;are reference parameters.

Answer 9

True

Question 10

True or false:
The associativity of the operator = is from right to left.

Answer 10

True

Question 11

The name of the function to overload the operator <= is _________.

Answer 11

operator<=

Question 12

Every object of a class maintains a (hidden) pointer to itself, and the name of this pointer is _____.

Answer 12

this

Question 13

When an object invokes a member function, the member function references the pointer ______ of the object.

Answer 13

this

Question 14

A(n) _________ function is a nonmember function that has access to all members of the class.

Answer 14

friend

Question 15

The function that overloads the ___ operator for a class must be declared as a member of the class.

Answer 15

->

Question 16

The general form of the functions to overload the binary operators as member functions of a class is returnType operator#(_____ className& ) const;

Answer 16

const

Question 17

Which of the following function prototypes overloads the != operator for the class rectangleType?

Answer 17

bool operator!=(const rectangleType& ) const;

Question 18

The return type of the function operator == is _______.

Answer 18

bool

Question 19

To include the operator function operator+ as a nonmember function of the class rectangleType, its prototype in the definition of rectangleType is: ______ rectangleType operator+(const rectangleType& , const rectangleType& );

Answer 19

friend

Question 20

The general syntax to overload the stream extraction operator&raquo_space; for a class is:

Answer 20

friend istream& operator»(istream&, className&);

Question 21

The return type of the function to overload the operator&raquo_space; must be a reference to a(n) ______ object.

Answer 21

istream

Question 22

Which of the following is a built-in operation on classes?

Answer 22

assignment

Question 23

The general syntax for the function prototype to overload the assignment operator = for a class is________.

Answer 23

const className& operator=(const className& );

Question 24

To overload the pre-increment (++) operator for a class, if the operator function is a member of that class, it must have ___ parameter(s).

Answer 24

no

Question 25

Which of the following is the general syntax of the function prototype to overload the pre-increment operator ++ as a member function?

Answer 25

className operator++();

Question 26

Which of the following is the general syntax of the function prototype to overload the pre-increment operator as a nonmember function?

Answer 26

friend className operator++(className & );

Question 27

Which of the following is the general syntax of the function prototype to overload the post-increment operator as a member function?

Answer 27

className operator++(int);

Question 28

When the post-increment operator is overloaded as a nonmember function of the class, the operator function has ____ parameter(s).

Answer 28

two

Question 29

If you overload the binary arithmetic operator + as a member function, how many objects must be passed as parameters?

Answer 29

one

Question 30

Which of the following is the syntax to declare the operator function operator[] as a member function of a class for nonconstant arrays?

Answer 30

Type& operator;

Question 31

Which of the following is the syntax to declare the operator function operator[] as a member function of a class for constant arrays?

Answer 31

const Type& operator;

Question 32

Using the class template, you can write a single code segment for a set of related _______.

Answer 32

classes

Question 33

Class templates are called ______ types.

Answer 33

parameterized

Question 34

Suppose cType is a class template, and func is a member function of type cType. The heading of the function definition of func is:

Answer 34

template <class>
funcType cType<Type>::func(parameters)</Type></class>

Question 35

With the exception of the ___________ operator and the member selection operator, operators must be overloaded to be used on class objects.

Answer 35

assignment

Question 36

Any function that overloads an operator is called a(n) __________ function.

Answer 36

operator

Question 37

The operators that cannot be overloaded are ., .*, ::, ?:, and ______.

Answer 37

sizeof

Question 38

The only built-in operations on classes are assignment(=) and _____________.

Answer 38

member selection

Question 39

The ________ operator causes a member-wise copy of the member variables of the class.

Answer 39

assignment

Question 40

A(n) _________ constructor converts its argument to an object of the constructor’s class.

Answer 40

conversion