Question 1

A(n) ____________ is a property that appears in a base class but expects to be overridden in a derived class.

Accepted Answer

A)  base property 
B)  abstract property 
C)  derived property 
D)  public property 
A)  base property 
B)  abstract property 
C)  derived property 
D)  public property

Question 2

The ____________ is the general class.

Accepted Answer

A)  starting object 
B)  default design 
C)  base class 
D)  derived class 
A)  starting object 
B)  default design 
C)  base class 
D)  derived class

Question 3

When an "is a" relationship exists between objects, it means that the specialized object has all of the characteristics of the general object, plus additional characteristics that make it special.

Accepted Answer

A) True 
 B)False

Question 4

The ____________ declares that a method in the derived class overrides a method in the base class.

Accepted Answer

A)  override keyword 
B)  void keyword 
C)  new keyword 
D)  virtual keyword 
A)  override keyword 
B)  void keyword 
C)  new keyword 
D)  virtual keyword

Question 5

The term ____________ refers to an object's ability to take different forms.

Accepted Answer

A)  adaptation 
B)  polymorphism 
C)  portability 
D)  code reuse 
A)  adaptation 
B)  polymorphism 
C)  portability 
D)  code reuse

Question 6

Base classes are sometimes called superclasses, and derived classes are sometimes called ____________.

Accepted Answer

A)  planned classes 
B)  copy classes 
C)  derivatives 
D)  subclasses 
A)  planned classes 
B)  copy classes 
C)  derivatives 
D)  subclasses

Question 7

New fields, properties, and methods cannot be added to the derived class.

Accepted Answer

A) True 
 B)False

Question 8

If a base class object is used to call an overridden method, then the derived class's version of the method is the one that executes.

Accepted Answer

A) True 
 B)False

Question 9

To override the property in the ____________ you write the override keyword in the property declaration.

Accepted Answer

A)  parameterized constructor 
B)  base class 
C)  field declaration 
D)  derived class 
A)  parameterized constructor 
B)  base class 
C)  field declaration 
D)  derived class

Question 10

When designing an object-oriented program, the best approach is to write a base class to hold all the general data about an object and then write derived classes for each specific type of object.

Accepted Answer

A) True 
 B)False

Question 11

If you want to create an abstract read-only property, leave out the set accessor.

Accepted Answer

A) True 
 B)False

Question 12

Only methods in the derived class can directly access the base class's private members.

Accepted Answer

A) True 
 B)False

Question 13

When you create a derived class, the base class constructor is executed first, and then the derived class constructor is executed.

Accepted Answer

A) True 
 B)False

Question 14

A class that is not intended to be instantiated but is to be used only as a base class is called a concrete class.

Accepted Answer

A) True 
 B)False

Question 15

The ____________ inherits fields, properties, and methods from the base class without any of them having to be rewritten.

Accepted Answer

A)  super instance 
B)  derived class 
C)  initialized object 
D)  copy class 
A)  super instance 
B)  derived class 
C)  initialized object 
D)  copy class

Question 16

If the base class does not have a parameterless constructor, the derived class constructor must use the notation: base(parameterList) to call one of the base class's parameterized constructors.

Accepted Answer

A) True 
 B)False

Question 17

When a derived class method has the same name as a base class method, it is often said that the derived class method ____________ the base class method.

Accepted Answer

A)  shadows 
B)  mimics 
C)  overrides 
D)  terminates 
A)  shadows 
B)  mimics 
C)  overrides 
D)  terminates

A(n) ____________ is a property that appears in a base class but expects to be overridden in a derived class.

The ____________ is the general class.

When an "is a" relationship exists between objects, it means that the specialized object has all of the characteristics of the general object, plus additional characteristics that make it special.

The ____________ declares that a method in the derived class overrides a method in the base class.

The term ____________ refers to an object's ability to take different forms.

Base classes are sometimes called superclasses, and derived classes are sometimes called ____________.

New fields, properties, and methods cannot be added to the derived class.

If a base class object is used to call an overridden method, then the derived class's version of the method is the one that executes.

To override the property in the ____________ you write the override keyword in the property declaration.

When designing an object-oriented program, the best approach is to write a base class to hold all the general data about an object and then write derived classes for each specific type of object.

If you want to create an abstract read-only property, leave out the set accessor.

Only methods in the derived class can directly access the base class's private members.

When you create a derived class, the base class constructor is executed first, and then the derived class constructor is executed.

A class that is not intended to be instantiated but is to be used only as a base class is called a concrete class.

The ____________ inherits fields, properties, and methods from the base class without any of them having to be rewritten.

If the base class does not have a parameterless constructor, the derived class constructor must use the notation: base(parameterList) to call one of the base class's parameterized constructors.

When a derived class method has the same name as a base class method, it is often said that the derived class method ____________ the base class method.

Introduction to Computers and Programming

Introduction to Visual C

Processing Data

Making Decisions

Loops, Files, and Random Numbers

Modularizing Your Code With Methods

Arrays and Lists

More About Processing Data

Classes and Multiform Projects

Databases

Filters

Exam 10: Inheritance and Polymorphism

A(n) ____________ is a property that appears in a base class but expects to be overridden in a derived class.

The ____________ is the general class.

When an "is a" relationship exists between objects, it means that the specialized object has all of the characteristics of the general object, plus additional characteristics that make it special.

The ____________ declares that a method in the derived class overrides a method in the base class.

The term ____________ refers to an object's ability to take different forms.

Base classes are sometimes called superclasses, and derived classes are sometimes called ____________.

New fields, properties, and methods cannot be added to the derived class.

If a base class object is used to call an overridden method, then the derived class's version of the method is the one that executes.

To override the property in the ____________ you write the override keyword in the property declaration.

When designing an object-oriented program, the best approach is to write a base class to hold all the general data about an object and then write derived classes for each specific type of object.

If you want to create an abstract read-only property, leave out the set accessor.

Only methods in the derived class can directly access the base class's private members.

When you create a derived class, the base class constructor is executed first, and then the derived class constructor is executed.

A class that is not intended to be instantiated but is to be used only as a base class is called a concrete class.

The ____________ inherits fields, properties, and methods from the base class without any of them having to be rewritten.

If the base class does not have a parameterless constructor, the derived class constructor must use the notation: base(parameterList) to call one of the base class's parameterized constructors.

When a derived class method has the same name as a base class method, it is often said that the derived class method ____________ the base class method.

Introduction to Computers and Programming

Introduction to Visual C

Processing Data

Making Decisions

Loops, Files, and Random Numbers

Modularizing Your Code With Methods

Arrays and Lists

More About Processing Data

Classes and Multiform Projects

Databases

Filters