Question 1

A Shared method has a Me reference.

Accepted Answer

A) True 
 B)False

Question 2

Select the syntactically correct way to access a Public Shared class member.

Accepted Answer

A) className(sharedMemberName) 
B) sharedMemberName.className 
C) className.sharedMemberName 
D) sharedMemberName(className) 
A) className(sharedMemberName) 
B) sharedMemberName.className 
C) className.sharedMemberName 
D) sharedMemberName(className)

Question 3

Constructors that are Shared can be defined to initialize only Shared members.

Accepted Answer

A) True 
 B)False

Question 4

How many classes are there in a program/app?

Accepted Answer

A) 0 
B) 1 
C) more than 1 
D) The number of classes may vary. 
A) 0 
B) 1 
C) more than 1 
D) The number of classes may vary.

Question 5

Visual Basic is known as a(n)__________ language because you can declare new class types as needed.

Accepted Answer

A) modifiable 
B) growable 
C) extensible 
D) high-level 
A) modifiable 
B) growable 
C) extensible 
D) high-level

Question 6

The _________ of a class are also called the public services or the public interface that the class provides to its clients.

Accepted Answer

A) public constructors 
B) public instance variables 
C) public methods 
D) All of the above 
A) public constructors 
B) public instance variables 
C) public methods 
D) All of the above

Question 7

What is the default value of a reference?

Accepted Answer

A) 0 
B) Nil 
C) Nothing 
D) Null 
A) 0 
B) Nil 
C) Nothing 
D) Null

Question 8

You can create new reference types.

Accepted Answer

A) True 
 B)False

Question 9

The compiler provides a default constructor with __________ parameter(s)in any class that does not explicitly declare a constructor.

Accepted Answer

A) 0 
B) 1 
C) 2 
D) any number of 
A) 0 
B) 1 
C) 2 
D) any number of

Question 10

A(n)___________ is a special type of method that is used only when an object is created to initialize an object's data.

Accepted Answer

A) initializer 
B) builder 
C) constructor 
D) definer 
A) initializer 
B) builder 
C) constructor 
D) definer

Question 11

Which statements successfully swap the contents of an array at index 3 and index 4?

Accepted Answer

A)  values( 3 )= values( 4 )
Values( 4 )= values( 3 ) 
B)  values( 4 )= values( 3 )
Values( 3 )= values( 4 ) 
C)  Dim temp As Integer = values( 3 )
Values( 3 )= values( 4 )
Values( 4 )= temp; 
D)  Dim temp As Integer = values( 3 )
Values( 3 )= values( 4 )
Values( 4 )= values( 3 ) 
A)  values( 3 )= values( 4 )
Values( 4 )= values( 3 ) 
B)  values( 4 )= values( 3 )
Values( 3 )= values( 4 ) 
C)  Dim temp As Integer = values( 3 )
Values( 3 )= values( 4 )
Values( 4 )= temp; 
D)  Dim temp As Integer = values( 3 )
Values( 3 )= values( 4 )
Values( 4 )= values( 3 )

Question 12

Constructors are implemented as Sub methods because they cannot return values.

Accepted Answer

A) True 
 B)False

Question 13

If a variable is said to have block scope then that variable:

Accepted Answer

A) can be accessed by all methods 
B) can be accessed only by certain methods 
C) can be accessed only by the method in which it was defined 
D) None of the above 
A) can be accessed by all methods 
B) can be accessed only by certain methods 
C) can be accessed only by the method in which it was defined 
D) None of the above

Question 14

An object-creation expression creates a new object of the class specified to the right of New and calls the object's constructor.

Accepted Answer

A) True 
 B)False

Question 15

Variables that are Shared have class scope.

Accepted Answer

A) True 
 B)False

Question 16

A Shared variable represents method-wide information.

Accepted Answer

A) True 
 B)False

Question 17

Within a class's scope,class members are immediately accessible only to certain methods of that class.

Accepted Answer

A) True 
 B)False

Question 18

A constructor should return either True or False to determine if the object was initialized properly.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is not a keyword used to declare a constant variable:

Accepted Answer

A) Const 
B) ReadOnly 
C) NamedConst 
D) None of the above 
A) Const 
B) ReadOnly 
C) NamedConst 
D) None of the above

Question 20

The Object Brower _____________.

Accepted Answer

A) lists all the classes in the .NET library 
B) describes the functionality provided by each specific class 
C) is separated into three frames 
D) All of the above. 
A) lists all the classes in the .NET library 
B) describes the functionality provided by each specific class 
C) is separated into three frames 
D) All of the above.

Exam 9: Object-Oriented Programming: Classes and Objects

A Shared method has a Me reference.

Select the syntactically correct way to access a Public Shared class member.

Constructors that are Shared can be defined to initialize only Shared members.

How many classes are there in a program/app?

Visual Basic is known as a(n)__________ language because you can declare new class types as needed.

The _________ of a class are also called the public services or the public interface that the class provides to its clients.

What is the default value of a reference?

You can create new reference types.

The compiler provides a default constructor with __________ parameter(s)in any class that does not explicitly declare a constructor.

A(n)___________ is a special type of method that is used only when an object is created to initialize an object's data.

Which statements successfully swap the contents of an array at index 3 and index 4?

Constructors are implemented as Sub methods because they cannot return values.

If a variable is said to have block scope then that variable:

An object-creation expression creates a new object of the class specified to the right of New and calls the object's constructor.

Variables that are Shared have class scope.

A Shared variable represents method-wide information.

Within a class's scope,class members are immediately accessible only to certain methods of that class.

A constructor should return either True or False to determine if the object was initialized properly.

Which of the following is not a keyword used to declare a constant variable:

The Object Brower _____________.

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