Question 1

If a base class has public member functions that are not listed by a derived class, then these functions

Accepted Answer

A)  are not available to the derived class 
B)  are inherited unchanged in the derived class 
C)  are private to the derived class 
D)  do not exist in the derived class 
A)  are not available to the derived class 
B)  are inherited unchanged in the derived class 
C)  are private to the derived class 
D)  do not exist in the derived class

Question 2

Given the following classes and code, what is the output of the last statement shown?
Class Pet
{
Public:
Virtual void print);
String name;
Private:
};
Class Dog: public Pet
{
Public:
Void print);
String breed;
};
Void Pet::print)
{
Cout name= "Rover";
DPtr->breed="Weiner";
PPtr= dPtr;
PPtr->print);

Accepted Answer

A)  My name is Rover, and my breed is a Weiner 
B)  My name is Rover 
C)  , and my breed is a Weiner 
D)  nothing 
A)  My name is Rover, and my breed is a Weiner 
B)  My name is Rover 
C)  , and my breed is a Weiner 
D)  nothing

Question 3

Which of the following are not true

Accepted Answer

A)  an object of the derived class may be stored in a variable of the base class 
B)  an object of the base class may be stored in a variable of the derived class 
C)  an object of a derived class that is derived from another class that is derived from a third class can be stored in a variable of the third class. 
D)  all of the above 
E)  none of the above 
A)  an object of the derived class may be stored in a variable of the base class 
B)  an object of the base class may be stored in a variable of the derived class 
C)  an object of a derived class that is derived from another class that is derived from a third class can be stored in a variable of the third class. 
D)  all of the above 
E)  none of the above

Question 4

An object of a derived class can be stored in a base class variable

Accepted Answer

A) True 
 B)False

Question 5

C++ implements polymorphism by waiting until run-time to determine which version of a function to use. This is also known as ______________.

Accepted Answer

late or dy

Question 6

The copy constructor from the base class is not inherited into the derived class.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following are true?

Accepted Answer

A)  constructors of the base class are inherited in the derived class. 
B)  you may not call the base constructor from the derived class 
C)  You must define constructors in both the base and derived classes 
D)  all of the above 
E)  none of the above 
A)  constructors of the base class are inherited in the derived class. 
B)  you may not call the base constructor from the derived class 
C)  You must define constructors in both the base and derived classes 
D)  all of the above 
E)  none of the above

Question 8

Destructors are not inherited into the derived class.

Accepted Answer

A) True 
 B)False

Question 9

Another name for the base class is

Accepted Answer

A)  parent class 
B)  super class 
C)  ancestor class 
D)  all of the above 
E)  none of the above 
A)  parent class 
B)  super class 
C)  ancestor class 
D)  all of the above 
E)  none of the above

Question 10

Using inheritance allows us to

Accepted Answer

A)  eliminate duplicate code 
B)  make our classes more modular 
C)  use polymorphism 
D)  all of the above 
E)  none of the above 
A)  eliminate duplicate code 
B)  make our classes more modular 
C)  use polymorphism 
D)  all of the above 
E)  none of the above

Question 11

If a base class has a virtual function named print, and a pointer variable of that class is pointing to a derived object, then the code ptr->print ); calls

Accepted Answer

A)  the base class print function 
B)  the derived print function 
C)  both the derived and base print functions 
D)  it causes a run-time error 
A)  the base class print function 
B)  the derived print function 
C)  both the derived and base print functions 
D)  it causes a run-time error

Question 12

If a base class has declared a function to be a virtual function, then does the derived class need to include the word virtual also?

Accepted Answer

The answer of If a base class has declared a...

Question 13

Which is more general, the base class or the derive class.

Accepted Answer

The answer of Which is more general, the base class...

If a base class has public member functions that are not listed by a derived class, then these functions

Which of the following are not true

An object of a derived class can be stored in a base class variable

C++ implements polymorphism by waiting until run-time to determine which version of a function to use. This is also known as ______________.

The copy constructor from the base class is not inherited into the derived class.

Which of the following are true?

Destructors are not inherited into the derived class.

Another name for the base class is

Using inheritance allows us to

If a base class has a virtual function named print, and a pointer variable of that class is pointing to a derived object, then the code ptr->print ); calls

If a base class has declared a function to be a virtual function, then does the derived class need to include the word virtual also?

Which is more general, the base class or the derive class.

Introduction to Computer and C++ Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Strings and Vectors

Pointers and Dynamic Arrays

Defining Classes

Friends, Overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Exception Handling

Templates

Standard Template Library

Filters

Exam 15: Inheritance

If a base class has public member functions that are not listed by a derived class, then these functions

Which of the following are not true

An object of a derived class can be stored in a base class variable

C++ implements polymorphism by waiting until run-time to determine which version of a function to use. This is also known as ______________.

The copy constructor from the base class is not inherited into the derived class.

Which of the following are true?

Destructors are not inherited into the derived class.

Another name for the base class is

Using inheritance allows us to

If a base class has a virtual function named print, and a pointer variable of that class is pointing to a derived object, then the code ptr->print ); calls

If a base class has declared a function to be a virtual function, then does the derived class need to include the word virtual also?

Which is more general, the base class or the derive class.

Introduction to Computer and C++ Programming

C++ Basics

More Flow of Control

Procedural Abstraction and Functions That Return a Value

Functions for All Sub Tasks

Io Streams As an Introduction to Objects and Classes

Arrays

Strings and Vectors

Pointers and Dynamic Arrays

Defining Classes

Friends, Overloaded Operators, and Arrays in Classes

Separate Compilation and Namespaces

Pointers and Linked Lists

Recursion

Exception Handling

Templates

Standard Template Library

Filters