Deck 14: More About Classes

Question 1

Object composition is useful for creating this type of relationship between classes.

A)friend
B)static
C)has a
D)conditional
E)None of these

Answer 1

has a

Question 2

A good reason for overloading an operator is to enable it to ________.

A)outperform its C language counterparts
B)work in its usual way, but with programmer-defined data types
C)operate on more operands than in its standard definition
D)operate on no operands
E)None of these

Answer 2

work in its usual way, but with programmer-defined data types

Question 3

When a class contains an instance of another class, it is known as ________.

A)object overloading
B)operator overloading
C)object composition
D)dynamic composition
E)None of these

Answer 3

object composition

Question 4

It is a good idea to make a copy constructor's parameters ________ by specifying the ________ key word in the parameter list.

A)inline, inline
B)static, static
C)constant, const
D)global, global
E)None of these

Question 5

Each object of a class has its own copy of the class's ________.

A)member functions
B)member variables
C)constructor and destructor functions
D)All of these
E)None of these

Question 6

This type of function is not a member of a class, but it has access to the private members of the class.

A)static
B)constructor
C)destructor
D)friend
E)None of these

Question 7

A reason to overload the ________ is to write classes that have array-like behaviors.

A)parentheses ( )operator
B)curly braces { } operator
C)square brackets [ ] operator
D)colon : : operator
E)None of these

Question 8

If a member variable is declared ________, all objects of that class have access to that variable.

A)static
B)dynamic
C)inline
D)default
E)None of these

Question 9

When objects contain pointers, it is a good idea to create an explicit ________ function.

A)destructor
B)copy constructor
C)static constructor
D)inline constructor
E)None of these

Question 10

C++ allows you to redefine the way ________ work when used with class objects.

A)compiler errors
B)preprocessor directives
C)standard operators
D)undefined variables
E)None of these

Question 11

If you do not furnish one of these a default will be provided for you by the compiler.

A)copy constructor
B)constructor
C)destructor
D)All of these
E)None of these

Question 12

This operator may be used to assign one object to another.

A)=
B)==
C)<>
D)@
E)None of these

Question 13

This type of member variable may be accessed before any objects of the class have been created.

A)private
B)public
C)inline
D)static
E)None of these

Question 14

When you redefine the way a standard operator works when it is used with class objects, you have ________ the operator.

A)reassigned
B)reformatted
C)overloaded
D)overwhelmed
E)None of these

Question 15

To overload the + operator, you would write a function named ________.

A)overload +
B)operator +
C)function +
D)operator.overload(+)
E)None of these

Question 16

If you do not furnish one of these, an automatic memberwise copy will be performed when one object is assigned to another object.

A)overloaded constructor function
B)overloaded assignment operator
C)default constructor function
D)overloaded copy operator
E)None of these

Question 17

This is a special function that is called whenever a new object is created and initialized with another object's data.

A)destructor
B)static function
C)copy constructor
D)assignment function
E)None of these

Question 18

A member function that is declared ________ may not access any non-static data members in the class.

A)private
B)public
C)static
D)inline
E)None of these

Question 19

C++ requires that a copy constructor's parameter be a(n)________.

A)integer data type
B)floating point data type
C)pointer variable
D)reference object
E)None of these

Question 20

This is a special built-in pointer that is available to a class's member functions.

A)overloaded -> operator
B)this pointer
C)&constructor pointer
D)~destructor *ptr
E)None of these

Question 21

A static member variable can be used when there are no objects of the class in existence.

Question 22

When you overload an operator, you cannot change the number of ________ taken by the operator.

A)arguments
B)parameters
C)operations
D)operands
E)None of these

Question 23

The this pointer is automatically passed to non-static member functions of a class.

Question 24

C++ permits you to overload the sizeof operator and the this pointer.

Question 25

It is possible to declare an entire class as a friend of another class.

Question 26

If you overload the prefix ++ operator, the postfix ++ operator is automatically overloaded.

Question 27

When you overload the << operator, you must also overload the >> operator.

Question 28

By default, when an object is assigned to another, each member of one object is copied to its counterpart in the other object.

Question 29

In the following function header:
The word (int)is known as a(n):

A)parameterless data type
B)incomplete argument
C)dummy parameter
D)incomplete parameter
E)None of these

Question 30

A(n)________ informs the compiler that a class will be declared later in the program.

A)static function
B)private data member
C)forward declaration
D)object conversion
E)None of these

Question 31

When a class declares an entire class as its friend, the friendship status is reciprocal. That is, each class's member functions have free access to the other's private members.

Question 32

You can overload the conditional operator to make it function as an unconditional operator.

Question 33

An ________ operator can work with programmer-defined data types.

A)inline
B)unconditional
C)overloaded
D)undefined
E)None of these

Question 34

In C++, if you overload the < operator, you must also overload the > operator.

Question 35

The this pointer is a special built-in pointer that is automatically passed as a hidden argument to all non-static member functions.

Question 36

You may overload any C++ operator, and you may use the operator function to define non-standard operators, such as @ and ^.

Question 37

When you overload an operator, you can change the operator's original meaning to something entirely different.

Question 38

A non-static member function may not access a static member variable.

Question 39

A public data member may be declared a friend of a private function.

Question 40

A static member function does not need to be called by a specific object of the class.