Question 1

______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 D

Question 2

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. A

Question 3

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 C

Question 4

A ______defines a special type of class member that contains Get and Set sections.

Accepted Answer

A)  method 
B)  constructor 
C)  property procedure 
D)  member variable 
A)  method 
B)  constructor 
C)  property procedure 
D)  member variable

Question 5

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

Question 6

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 7

Class members declared with this access specifier are like private members, except they may be accessed by methods and property procedures in derived classes.

Accepted Answer

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

Question 8

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

Question 9

A variable declared inside a class is also known as a __________.

Accepted Answer

A)  member variable 
B)  static variable 
C)  hidden variable 
D)  global variable 
A)  member variable 
B)  static variable 
C)  hidden variable 
D)  global variable

Question 10

When creating a ToString method to return a string representation of the data stored in an object, you must __________.

Accepted Answer

A)  override the ToString method, which is inherited from the built-in Object class 
B)  add a Protected ToString method to the class 
C)  do nothing as the ToString method automatically performs this for each class 
D)  a ToString method is a reserved word that cannot be added to a class 
A)  override the ToString method, which is inherited from the built-in Object class 
B)  add a Protected ToString method to the class 
C)  do nothing as the ToString method automatically performs this for each class 
D)  a ToString method is a reserved word that cannot be added to a class

Question 11

When using the Remove method of a collection, what happens if the argument provided is a string expression?

Accepted Answer

A)  The item at the index value represented by that string is removed if found in the collection. 
B)  The item with a key value that matches the string is removed, if the key was found in the collection. 
C)  A string expression may not be provided as an argument. 
D)  A syntax error occurs 
A)  The item at the index value represented by that string is removed if found in the collection. 
B)  The item with a key value that matches the string is removed, if the key was found in the collection. 
C)  A string expression may not be provided as an argument. 
D)  A syntax error occurs

Question 12

You access public members of a class object with ___________.

Accepted Answer

A)  the getData method 
B)  the access operator 
C)  the dot operator 
D)  a public module 
A)  the getData method 
B)  the access operator 
C)  the dot operator 
D)  a public module

Question 13

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 14

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 15

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

Accepted Answer

A)  Public Class Student Inherits Person 
B)  Public Class Student Extends Person 
C)  Public Class Student Inherits From Person 
D)  Public Class Student :Person 
A)  Public Class Student Inherits Person 
B)  Public Class Student Extends Person 
C)  Public Class Student Inherits From Person 
D)  Public Class Student :Person

Question 16

A(n) ________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 17

A constructor is a method named ______found inside the class.

Accepted Answer

A)  New 
B)  Constructor 
C)  Finalizer 
D)  the same as the class name 
A)  New 
B)  Constructor 
C)  Finalizer 
D)  the same as the class name

Question 18

It's possible to access the items in a collection using __________.

Accepted Answer

A)  an integer index of the item to be retrieved 
B)  the Item method to retrieve an item with a specific key value 
C)  a For Each loop 
D)  all of the above 
A)  an integer index of the item to be retrieved 
B)  the Item method to retrieve an item with a specific key value 
C)  a For Each loop 
D)  all of the above

Question 19

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 20

The class is the portion of a 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

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

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

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

A ______defines a special type of class member that contains Get and Set sections.

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.

Class members declared with this access specifier are like private members, except they may be accessed by methods and property procedures in derived classes.

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

A variable declared inside a class is also known as a __________.

When creating a ToString method to return a string representation of the data stored in an object, you must __________.

When using the Remove method of a collection, what happens if the argument provided is a string expression?

You access public members of a class object with ___________.

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

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

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

A(n) ________is a class property that is defined by only a single line of code.

A constructor is a method named ______found inside the class.

It's possible to access the items in a collection using __________.

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

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

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 Structure

Working With Databases

Developing Web Applications

Filters

Exam 12: Classes, Collections, and Inheritance

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

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

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

A ______defines a special type of class member that contains Get and Set sections.

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.

Class members declared with this access specifier are like private members, except they may be accessed by methods and property procedures in derived classes.

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

A variable declared inside a class is also known as a __________.

When creating a ToString method to return a string representation of the data stored in an object, you must __________.

When using the Remove method of a collection, what happens if the argument provided is a string expression?

You access public members of a class object with ___________.

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

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

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

A(n) ________is a class property that is defined by only a single line of code.

A constructor is a method named ______found inside the class.

It's possible to access the items in a collection using __________.

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

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

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 Structure

Working With Databases

Developing Web Applications

Filters