Deck 13: Overloading and Templates

Question 1

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

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

Answer 1

C

Question 2

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) &

Answer 2

B

Question 3

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 3

D

Question 4

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

Question 5

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 6

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 7

The general syntax of the function prototype 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 8

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

Question 9

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

Question 10

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

Question 11

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

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

Question 12

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

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

Question 13

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 14

Operator functions typically return void.

Question 15

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;

Question 16

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

Question 17

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

Question 18

In C++,operator is a reserved word.

Question 19

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

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

Question 20

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 21

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

Question 22

Which of the following is the syntax to overload 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 23

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

Question 24

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 25

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 26

Class templates are called ____ types.

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

Question 27

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 28

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

Question 29

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 30

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

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

Question 31

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 32

Which of the following is the syntax to overload 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 33

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

Question 34

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 35

Except for the ____________________ operator and the member selection operator,to use an operator on class objects,that operator must be overloaded.

Question 36

The general syntax 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 37

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 38

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 39

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 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

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

Question 42

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

Question 43

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 44

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

Question 45

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

Question 46

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

Question 47

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

Question 48

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

Question 49

Classes with pointer member variables must include the ____________________ constructor.

Question 50

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