Question 1

The _access specifier permits class members to be accessed by statements both outside the class and outside the assembly.

Accepted Answer

A)  Public 
B)  Protected 
C)  Private 
D)  Friends 
A)  Public 
B)  Protected 
C)  Private 
D)  Friends A

Question 2

Why is important to remove objects that are no longer need in your program?

Accepted Answer

A)  To prevent over writing new objects with old data. 
B)  To prevent program crashes 
C)  To free up memory for other uses. 
D)  So that you can reuse the variable name. 
A)  To prevent over writing new objects with old data. 
B)  To prevent program crashes 
C)  To free up memory for other uses. 
D)  So that you can reuse the variable name. C

Question 3

A function that is a member of a class is called _.

Accepted Answer

A)  a module 
B)  a method 
C)  a component 
D)  an element 
A)  a module 
B)  a method 
C)  a component 
D)  an element B

Question 4

Every class you create in Visual Basic is automatically derived from this built-in class.

Accepted Answer

A)  Object 
B)  Base 
C)  Window 
D)  Application 
A)  Object 
B)  Base 
C)  Window 
D)  Application

Question 5

Object-oriented programming is a way of designing and coding applications such that interchangeable software can be used to build larger programs.

Accepted Answer

A)  controls 
B)  structures 
C)  components 
D)  languages 
A)  controls 
B)  structures 
C)  components 
D)  languages

Question 6

All of the following statements are true about the .NET garbage collection utility except .

Accepted Answer

A)  The garbage collector is a utility program that removes objects from memory that are no longer needed. 
B)  As the amount of available memory decreases, the garbage collector removes unreferenced objects more often. 
C)  The garbage collector removes an object from memory immediately when the last reference to it has been removed. 
D)  The system uses an algorithm to determine when it should periodically remove unused objects. 
A)  The garbage collector is a utility program that removes objects from memory that are no longer needed. 
B)  As the amount of available memory decreases, the garbage collector removes unreferenced objects more often. 
C)  The garbage collector removes an object from memory immediately when the last reference to it has been removed. 
D)  The system uses an algorithm to determine when it should periodically remove unused objects.

Question 7

An) ___is a class property that is defined by only a single line of code.

Accepted Answer

A)  auto-implemented property 
B)  inline property 
C)  base property 
D)  derived property 
A)  auto-implemented property 
B)  inline property 
C)  base property 
D)  derived property

Question 8

Which of the following operators determines if two object variables reference the same object?

Accepted Answer

A)  = 
B)  IsEqual 
C)  Is 
D)  SameAs 
A)  = 
B)  IsEqual 
C)  Is 
D)  SameAs

Question 9

The hiding of data and procedures inside a class is achieved through a process called ___.

Accepted Answer

A)  data enclosing 
B)  encapsulation 
C)  modularization 
D)  components 
A)  data enclosing 
B)  encapsulation 
C)  modularization 
D)  components

Question 10

_is a general model of something - it captures the general characteristics of an object.

Accepted Answer

A)  A constructor 
B)  A collection 
C)  An instance 
D)  An abstraction 
A)  A constructor 
B)  A collection 
C)  An instance 
D)  An abstraction

Question 11

Which of the following displays a message box saying "I have been created" every time a new instance of the class ShowMe is created?

Accepted Answer

A)  Public Class ShowMe MessageBox.Show"I have been created")
End Class 
B)  Public Class ShowMe Public Sub Constructor)
MessageBox.Show"I have been created")
End Sub
End Class 
C)  Public Class ShowMe Public Sub Create)
MessageBox.Show"I have been created")
End Sub
End Class 
D)  Public Class ShowMe Public Sub New)
MessageBox.Show"I have been created")
End Sub
End Class 
A)  Public Class ShowMe MessageBox.Show"I have been created")
End Class 
B)  Public Class ShowMe Public Sub Constructor)
MessageBox.Show"I have been created")
End Sub
End Class 
C)  Public Class ShowMe Public Sub Create)
MessageBox.Show"I have been created")
End Sub
End Class 
D)  Public Class ShowMe Public Sub New)
MessageBox.Show"I have been created")
End Sub
End Class

Question 12

Which method is used to create a new item in a collection?

Accepted Answer

A)  Store 
B)  Insert 
C)  Add 
D)  Create 
A)  Store 
B)  Insert 
C)  Add 
D)  Create

Question 13

The class is the portion of the class that is visible to the application programmer.

Accepted Answer

A)  form 
B)  design 
C)  control 
D)  interface 
A)  form 
B)  design 
C)  control 
D)  interface

Question 14

Which of the following statements will remove an object referred to by the object variable NewStudent?

Accepted Answer

A)  NewStudent = String.Empty 
B)  NewStudent = Nothing 
C)  NewStudent.Delete 
D)  Remove.NewStudent 
A)  NewStudent = String.Empty 
B)  NewStudent = Nothing 
C)  NewStudent.Delete 
D)  Remove.NewStudent

Question 15

The following statements are true about user-defined collections except .

Accepted Answer

A)  indexes for collections start at 0 
B)  collections can grow dynamically as items are inserted and removed 
C)  collections hold a variety of different objects 
D)  you can access the individual items in a collection using the Item property 
A)  indexes for collections start at 0 
B)  collections can grow dynamically as items are inserted and removed 
C)  collections hold a variety of different objects 
D)  you can access the individual items in a collection using the Item property

Question 16

The _ access specifier permits class members to be accessed only by statements inside the class.

Accepted Answer

A)  Public 
B)  Protected 
C)  Private 
D)  Friend 
A)  Public 
B)  Protected 
C)  Private 
D)  Friend

Question 17

Which of the following displays a window that lets you browse the classes available to your project?

Accepted Answer

A)  Component Browser 
B)  Class Browser 
C)  Object Browser 
D)  Module Browser 
A)  Component Browser 
B)  Class Browser 
C)  Object Browser 
D)  Module Browser

Question 18

If there exists a class named People and one wants to create a new class named Student based on the People class, what code segment below shows the correct way to do so?

Accepted Answer

A)  Public Class Student Inherits People 
B)  Public Class Student Includes Class People 
C)  Public Class Student based on People 
D)  Public Class Student :People 
A)  Public Class Student Inherits People 
B)  Public Class Student Includes Class People 
C)  Public Class Student based on People 
D)  Public Class Student :People

Question 19

Client programs can query _to get values, but they cannot modify them.

Accepted Answer

A)  Read-Only properties 
B)  Get/Set properties 
C)  Private methods 
D)  Public properties 
A)  Read-Only properties 
B)  Get/Set properties 
C)  Private methods 
D)  Public properties

Question 20

A _is automatically called when an instance of the class is created.

Accepted Answer

A)  Load method 
B)  constructor 
C)  instantiator 
D)  Initializer method 
A)  Load method 
B)  constructor 
C)  instantiator 
D)  Initializer method

The _access specifier permits class members to be accessed by statements both outside the class and outside the assembly.

Why is important to remove objects that are no longer need in your program?

A function that is a member of a class is called _.

Every class you create in Visual Basic is automatically derived from this built-in class.

Object-oriented programming is a way of designing and coding applications such that interchangeable software can be used to build larger programs.

All of the following statements are true about the .NET garbage collection utility except .

An) ___is a class property that is defined by only a single line of code.

Which of the following operators determines if two object variables reference the same object?

The hiding of data and procedures inside a class is achieved through a process called ___.

_is a general model of something - it captures the general characteristics of an object.

Which of the following displays a message box saying "I have been created" every time a new instance of the class ShowMe is created?

Which method is used to create a new item in a collection?

The class is the portion of the class that is visible to the application programmer.

Which of the following statements will remove an object referred to by the object variable NewStudent?

The following statements are true about user-defined collections except .

The _ access specifier permits class members to be accessed only by statements inside the class.

Which of the following displays a window that lets you browse the classes available to your project?

If there exists a class named People and one wants to create a new class named Student based on the People class, what code segment below shows the correct way to do so?

Client programs can query _to get values, but they cannot modify them.

A _is automatically called when an instance of the class is created.

Introduction to Programming and Visual Basic

Creating Applications With Visual Basic

Variables and Calculations

Making Decisions

Lists and Loops

Procedures and Functions

Multiple Forms, Modules, and Menus

Arrays and More

Files, Printing, and Structures

Working With Databases

Developing Web Applications

Filters

Exam 12: Classes, Collections, and Inheritance

The _access specifier permits class members to be accessed by statements both outside the class and outside the assembly.

Why is important to remove objects that are no longer need in your program?

A function that is a member of a class is called _.

Every class you create in Visual Basic is automatically derived from this built-in class.

Object-oriented programming is a way of designing and coding applications such that interchangeable software can be used to build larger programs.

All of the following statements are true about the .NET garbage collection utility except .

An) ___is a class property that is defined by only a single line of code.

Which of the following operators determines if two object variables reference the same object?

The hiding of data and procedures inside a class is achieved through a process called ___.

_is a general model of something - it captures the general characteristics of an object.

Which of the following displays a message box saying "I have been created" every time a new instance of the class ShowMe is created?

Which method is used to create a new item in a collection?

The class is the portion of the class that is visible to the application programmer.

Which of the following statements will remove an object referred to by the object variable NewStudent?

The following statements are true about user-defined collections except .

The _ access specifier permits class members to be accessed only by statements inside the class.

Which of the following displays a window that lets you browse the classes available to your project?

If there exists a class named People and one wants to create a new class named Student based on the People class, what code segment below shows the correct way to do so?

Client programs can query _to get values, but they cannot modify them.

A _is automatically called when an instance of the class is created.

Introduction to Programming and Visual Basic

Creating Applications With Visual Basic

Variables and Calculations

Making Decisions

Lists and Loops

Procedures and Functions

Multiple Forms, Modules, and Menus

Arrays and More

Files, Printing, and Structures

Working With Databases

Developing Web Applications

Filters