1408 C++ Exam 2

True/False: A non-static member function may not access a static member variable.

False

True/False: A public data member may be declared a friend of a private function.

False

True/False: C++ permits you to overload the sizeof operator and the this pointer.

False

The ________ destructor is called before the ________ destructor.

derived, base

Multiple inheritance is when a ________ class has ________ base classes.

derived, two or more

In the following function header: FeetInches FeetInches::operator++(int) the word (int) is known as a(n):

dummy parameter

The compiler performs ________ on virtual functions.

dynamic binding

When member functions behave differently, depending upon which object performed the call, this is an example of ________.

polymorphism

True/False: If you overload the prefix ++ operator, the postfix ++ operator is automatically overloaded.

False

True/False: In C++, if you overload the < operator, you must also overload the > operator.

False

True/False: In an inheritance situation, you may not pass arguments to a base class constructor.

False

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

"this" pointer

When the compiler binds a member function call with the version of the function that resides in the same class as the call itself, this is considered ________ binding.

static

In the following statement: class car : public vehicle ________ is the base class.

vehicle

A virtual function is declared by placing the key word ________ in front of the return type in the base class's function declaration.

virtual

________ functions are dynamically bound by the compiler.

virtual

A ________ of a base class expects to be overridden in a derived class.

virtual function

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

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

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

=

True/False: A member function of a derived class may not have the same name as a member function of a base class.

False

True/False: A derived class may not have any classes derived from it.

False

True/False: 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.

False

True/False: When you overload the << operator, you must also overload the >> operator.

False

True/False: You can overload the conditional operator to make it function as an unconditional operator.

False

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

False

________ allows us to create new classes based on existing classes.

Inheritance

________ is commonly used to extend a class, or to give it additional capabilities.

Inheritance

Arguments are passed to the base class destructor function by the ________ class ________ function. a)derived, constructor b)derived, destructor c)base, constructor d)base, destructor e)None of these

None of these

True/False: A derived class may become a base class, if another class is derived from it.

True

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

True

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

True

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

True

True/False: In C++ 11, if a derived class attempts to override a final member function, the compiler generates an error.

True

True/False: It is possible to declare an entire class as a friend of another class.

True

True/False: More than one class may be derived from a base class.

True

True/False: Pointers to a base class may be assigned the address of a derived class object.

True

True/False: Static binding occurs when the compiler binds a function call with the function call that resides in the same class as the call itself.

True

True/False: The base class access specification can be viewed as a filter that base class members must pass through when becoming inherited members of a derived class.

True

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

True

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

True

True/False: When arguments must be passed to the base class constructor, they are passed from the derived class constructor's header line.

True

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

True

The base class's ________ affects the way its members are inherited by the derived class.

access specification

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

all of these

Multiple inheritance opens the opportunity for a derived class to have ________ members.

ambiguous

In the following statement: class Car : protected Vehicle What is being protected?

base class members

The ________ constructor is called before the ________ constructor.

base, derived

In the following statement: class Car : protected Vehicle ________ is the derived class.

car

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

constant, const

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

copy constructor

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

copy constructor

In an inheritance situation, the new class that you create from an existing class is known as the ________.

derived class and child class

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

forward declaration

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

friend

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

has a

When you derive a class from an existing class, you ________ add new data and functions.

may

Polymorphism is when ________ in a class hierarchy perform differently, depending upon which object performs the call.

member functions

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

member variables

When a derived class has two or more base classes, the situation is known as ________.

multiple inheritance

The following statement: class Car : private Vehicle allows the ________ members of the Car class to access ________ members of the Vehicle class. a)private, private b)public, private c)protected, private d)public, protected e)none of these

none of these

When more than one class is derived from a base class, the situation is called: a)polymorphism b)population c)multiplicity d)encapsulation e)None of these

none of these

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

object composition

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

operands

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

operator +

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

overloaded

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

overloaded

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

overloaded assignment operator

A virtual function is a member function that expects to be ________ in a derived class.

overridden

C++ 11 introduces the ________ key word to help prevent subtle errors when overriding virtual functions.

override

________ to a base class may be assigned the address of a derived class object.

pointers

The term ________ means the ability to take many forms.

polymorphism

________ members of a base class are never accessible to a derived class.

private

Protected members of a base class are like ________, but they may be accessed by derived classes.

private members

The base class access specification determines how ________ members in the base class may be accessed by derived classes.

private, public, and protected

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

reference object

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

square brackets [ ] operator

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

standard operators

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

static

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

static

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

static