Deck 13: Overloading and Templates

Question 1

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

A) self
B) object
C) it
D) this

Answer 1

D

Question 2

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

A) ::
B) *
C) ->
D) +

Answer 2

C

Question 3

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

A) bool operator!=(rectangle&) const;
B) bool operator!=(const rectangleType&) const;
C) int operator!=(const rectangleType) const;
D) int operator!=(rectangle&) const;

Answer 3

B

Question 4

The declaration of a friend function cannot be placed within the private part of the class.

Question 5

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

A) int
B) bool
C) char
D) void

Question 6

A friend function does not have access to the private data members of the class.

Question 7

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

A) class
B) const
C) *
D) &

Question 8

Both parameters of the function to overload the operator << are reference parameters.

Question 9

The associativity of the operator = is from right to left.

Question 10

The general syntax to overload the stream extraction operator >> for a class is ____.

A) istream& operator>>(istream&, className&);
B) const istream& operator>>(istream&, className&);
C) friend operator>>(istream&, className&);
D) friend istream& operator>>(istream&, className&);

Question 11

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

A) overload<=
B) <=new
C) operator<=
D) <=operator

Question 12

In C++, operator is a reserved word.

Question 13

Operator functions typically return void.

Question 14

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

A) object
B) it
C) this
D) address

Question 15

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&);

A) bool
B) int
C) double
D) friend

Question 16

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.

Question 17

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.

Question 18

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

A) access
B) protected
C) friend
D) void

Question 19

In C++, >> is used as a stream extraction operator and as a right shift operator.

Question 20

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

Question 21

Suppose cType is a class template, which can take int as a parameter. The statement: ____ declares x to be an object of type cType, and the type passed to the class cType is int.

A) cType x;
B) cType int x;
C) cType int = x;
D) cType int :: x;

Question 22

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

A) none
B) one
C) two
D) three

Question 23

Class templates are called ____ types.

A) polymorphic
B) structured
C) member
D) parameterized

Question 24

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

Question 25

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

A) increment
B) assignment
C) decrement
D) relational

Question 26

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

A) no
B) one
C) two
D) three

Question 27

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

A) className operator++();
B) friend className operator++();
C) className operator++(int);
D) friend className operator++(className&);

Question 28

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

A) classes
B) functions
C) operators
D) constructors

Question 29

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

A) template
FuncType cType == func(parameters)
B) template
FuncType cType
C) template
FuncType cType::func(parameters)
D) template
FuncType cTypefunc(parameters;

Question 30

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

Question 31

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

A) Type& []operator(int index);
B) Type operator[](int index);
C) Type& operator[](int index);
D) Type [](int index);

Question 32

The return type of the function to overload the operator >> must be a reference to a(n) ____ object.

A) iostream
B) ostream
C) stream
D) istream

Question 33

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

Question 34

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

A) no
B) one
C) two
D) three

Question 35

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

A) className operator++();
B) className operator++(int);
C) friend className operator++();
D) friend className operator++(int);

Question 36

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

Question 37

The ____________________ operator function as a member of a class has only one parameter; as a nonmember of a class, it has two parameters.

Question 38

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

A) friend className& operator=(const className&);
B) className& operator=(className&);
C) string className& operator=(className&);
D) const className& operator=(const className&);

Question 39

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

A) const Type& []operator(int index) const;
B) const Type& operator[](int index) const;
C) const Type& operator[](int index);
D) const Type [](int index) const;

Question 40

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

A) className operator++();
B) friend className operator++();
C) className operator++(int);
D) friend className operator++(int);

Question 41

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

Question 42

To overload a(n) ____________________ operator for a class, if the operator function is a nonmember, it has one parameter.

Question 43

The operator function that overloads the insertion operator, <<, or the extraction operator, >>, for a class must be a(n) ____________________ function of that class.

Question 44

Passing a parameter to a class template has an effect at ____________________ time.

Question 45

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

Question 46

In C++, a function ____________________ can be overloaded.

Question 47

A class template is called a(n) ____________________ type because it specifies how a generic class template is to be customized to form a specific template class.

Question 48

The ____________________ members of a class are local to the class and, therefore, cannot be accessed outside of the class.

Question 49

Classes with pointer member variables must include the ____________________ constructor.

Question 50

A conversion constructor is a(n) ____________________-parameter function.