Question 1

In inheritance, the keyword Overridable is used to designate the parent's methods that may be overridden by its children.

Accepted Answer

A) True 
 B)False

Question 2

Which statement form below assigns a value to a property?

Accepted Answer

A)  objectName.propertyName = value 
B)  varName = objectName.propertyName 
C)  objectName.methodName(arg1, ...) 
D)  RaiseEvent eventName 
A)  objectName.propertyName = value 
B)  varName = objectName.propertyName 
C)  objectName.methodName(arg1, ...) 
D)  RaiseEvent eventName

Question 3

Inheritance does not enhance code reusability.

Accepted Answer

A) True 
 B)False

Question 4

A good rule of thumb for object-oriented programming is that classes are the verbs in your analysis of the problem.

Accepted Answer

A) True 
 B)False

Question 5

The keyword WithEvents is inserted into the standard declaration statement for instantiation of a class to allow the instance to respond to an event.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following terms does not describe a relationship between classes?

Accepted Answer

A)  use 
B)  subclass 
C)  inheritance 
D)  containment 
A)  use 
B)  subclass 
C)  inheritance 
D)  containment

Question 7

The constructor method requires at least one argument, and the code inside the procedure block performs any tasks needed for initializing an object.

Accepted Answer

A) True 
 B)False

Question 8

The programmer needs to be able to identify useful hierarchies of classes and derived classes in working with object-oriented programming.

Accepted Answer

A) True 
 B)False

Question 9

Member variables in a class are normally specified as Private.

Accepted Answer

A) True 
 B)False

Question 10

Inheritance is the process by which the parent or base class inherits the properties, methods, and events of the child or derived class.

Accepted Answer

A) True 
 B)False

Question 11

In the hierarchy chart shown below, GrandChild1 has access to each of the following items (as a result of inheritance), except one. Which of the following is GrandChild1 NOT able to access?

Accepted Answer

A)  Property A 
B)  Property D 
C)  Event C 
D)  Sub B 
A)  Property A 
B)  Property D 
C)  Event C 
D)  Sub B

Question 12

A class specifies the properties and methods that will be common to all objects that are instances of that class.

Accepted Answer

A) True 
 B)False

Question 13

A line of code of the form Dim objectName As New className(arg1, arg2, ...) is used to instantiate an object variable or instance of an object.

Accepted Answer

A) True 
 B)False

Question 14

In the following code block, which of the following represents the line of code that assigns the value of the Name property? 
Class Student 
Private m_name As String 
Public Property Name As String 
Get 
Return m_name
 End Get 
Set(Value As String) 
m_name = Value 
End Set 
End Property
 End Class

Accepted Answer

A)  End Class 
B)  m_name = Value 
C)  Return m_name 
D)  Private m_name As String 
A)  End Class 
B)  m_name = Value 
C)  Return m_name 
D)  Private m_name As String

Question 15

The header for an event procedure for an instance of a class will be of the following type:

Accepted Answer

A) True 
 B)False

Question 16

An object is a template from which classes are created.

Accepted Answer

A) True 
 B)False

Question 17

Statements of which of the following kind should be placed at locations in the class block code at which the event should be raised?

Accepted Answer

A)  Public Event UserDefinedEvent(par1 As dataType1, par2 As dataType2, ...) 
B)  RaiseEvent UserDefinedEvent(arg1, arg2, ...) 
C)  Dim WithEvents object1 As ClassName 
D)  Private Sub object1_UserDefinedEvent(par1, par2, ...) _ Handles object1.UserDefinedEvent 
A)  Public Event UserDefinedEvent(par1 As dataType1, par2 As dataType2, ...) 
B)  RaiseEvent UserDefinedEvent(arg1, arg2, ...) 
C)  Dim WithEvents object1 As ClassName 
D)  Private Sub object1_UserDefinedEvent(par1, par2, ...) _ Handles object1.UserDefinedEvent

Question 18

In inheritance, the keyword Overrides is used to designate the parent's methods that are overridden by its children.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is an example of a control object?

Accepted Answer

A)  string variable 
B)  array 
C)  primary key 
D)  list box 
A)  string variable 
B)  array 
C)  primary key 
D)  list box

Question 20

Which of the following is an example of an array declaration whose data type is a user-defined object?

Accepted Answer

A)  Dim students(50) As String 
B)  Dim students(50) As Student 
C)  Dim students(50) As Integer 
D)  Dim students(50) As TextBox 
A)  Dim students(50) As String 
B)  Dim students(50) As Student 
C)  Dim students(50) As Integer 
D)  Dim students(50) As TextBox

In inheritance, the keyword Overridable is used to designate the parent's methods that may be overridden by its children.

Which statement form below assigns a value to a property?

Inheritance does not enhance code reusability.

A good rule of thumb for object-oriented programming is that classes are the verbs in your analysis of the problem.

The keyword WithEvents is inserted into the standard declaration statement for instantiation of a class to allow the instance to respond to an event.

Which of the following terms does not describe a relationship between classes?

The constructor method requires at least one argument, and the code inside the procedure block performs any tasks needed for initializing an object.

The programmer needs to be able to identify useful hierarchies of classes and derived classes in working with object-oriented programming.

Member variables in a class are normally specified as Private.

Inheritance is the process by which the parent or base class inherits the properties, methods, and events of the child or derived class.

In the hierarchy chart shown below, GrandChild1 has access to each of the following items (as a result of inheritance), except one. Which of the following is GrandChild1 NOT able to access?

A class specifies the properties and methods that will be common to all objects that are instances of that class.

A line of code of the form Dim objectName As New className(arg1, arg2, ...) is used to instantiate an object variable or instance of an object.

In the following code block, which of the following represents the line of code that assigns the value of the Name property? Class Student Private m_name As String Public Property Name As String Get Return m_name End Get Set(Value As String) m_name = Value End Set End Property End Class

The header for an event procedure for an instance of a class will be of the following type:

An object is a template from which classes are created.

Statements of which of the following kind should be placed at locations in the class block code at which the event should be raised?

In inheritance, the keyword Overrides is used to designate the parent's methods that are overridden by its children.

Which of the following is an example of a control object?

Which of the following is an example of an array declaration whose data type is a user-defined object?

An Introduction to Computers and Problem Solving

Visual Basic, Controls, and Events

Variables, Input, and Output

Decisions

General Procedures

Repetition

Arrays

Text Files

Additional Controls and Objects

Databases

Filters

Exam 11: Object-Oriented Programming

In inheritance, the keyword Overridable is used to designate the parent's methods that may be overridden by its children.

Which statement form below assigns a value to a property?

Inheritance does not enhance code reusability.

A good rule of thumb for object-oriented programming is that classes are the verbs in your analysis of the problem.

The keyword WithEvents is inserted into the standard declaration statement for instantiation of a class to allow the instance to respond to an event.

Which of the following terms does not describe a relationship between classes?

The constructor method requires at least one argument, and the code inside the procedure block performs any tasks needed for initializing an object.

The programmer needs to be able to identify useful hierarchies of classes and derived classes in working with object-oriented programming.

Member variables in a class are normally specified as Private.

Inheritance is the process by which the parent or base class inherits the properties, methods, and events of the child or derived class.

In the hierarchy chart shown below, GrandChild1 has access to each of the following items (as a result of inheritance), except one. Which of the following is GrandChild1 NOT able to access?

A class specifies the properties and methods that will be common to all objects that are instances of that class.

A line of code of the form Dim objectName As New className(arg1, arg2, ...) is used to instantiate an object variable or instance of an object.

In the following code block, which of the following represents the line of code that assigns the value of the Name property? Class Student Private m_name As String Public Property Name As String Get Return m_name End Get Set(Value As String) m_name = Value End Set End Property End Class

The header for an event procedure for an instance of a class will be of the following type:

An object is a template from which classes are created.

Statements of which of the following kind should be placed at locations in the class block code at which the event should be raised?

In inheritance, the keyword Overrides is used to designate the parent's methods that are overridden by its children.

Which of the following is an example of a control object?

Which of the following is an example of an array declaration whose data type is a user-defined object?

An Introduction to Computers and Problem Solving

Visual Basic, Controls, and Events

Variables, Input, and Output

Decisions

General Procedures

Repetition

Arrays

Text Files

Additional Controls and Objects

Databases

Filters