Question 1

Determining which method to call at runtime based on which object invokes the method describes ____.

Accepted Answer

A)   abstraction
B)   virtual method calls
C)   dynamic binding
D)   encapsulation C

Question 2

Constructors, which use the same identifier as their class, are normally defined with protected access.

Accepted Answer

A) True 
 B)False  False

Question 3

Which access modifier should be used to give derived classes direct access to change the parent member data. This access modifier does not allow classes that instantiate objects of the class to have access to change member data?

Accepted Answer

A)   private
B)   public
C)   protected
D)   internal C

Question 4

Components that can be referenced from any number of applications are created as class library files with a dynamic link library (DLL) extension.

Accepted Answer

A) True 
 B)False

Question 5

Object-oriented development focuses on designing classes that can be reused. One way to ensure this reuse is through designing and building components that can be stored in a library and called on when needed.

Accepted Answer

A) True 
 B)False

Question 6

One way to write reusable code is to use the object data type for instance data members. Doing so then requires ____.

Accepted Answer

A)   moving the data type into a predefined type
B)   using a stack to store the items
C)   casting and unboxing the data type
D)   creating generic classes

Question 7

Constructors are defined with ____ access modifiers.

Accepted Answer

A)   private
B)   public
C)   protected
D)   internal

Question 8

Once a DLL is available, any application can add a reference to the DLL. The referenced file with the .dll extension becomes part of the application's private assembly.

Accepted Answer

A) True 
 B)False

Question 9

The Unified Modeling Language (UML) notation for the interfaces specifies that the name of the Interface methods should appear in italics.

Accepted Answer

A) True 
 B)False

Question 10

When a class implements an interface, the body of each of the interface's methods has to be written in the new class.

Accepted Answer

A) True 
 B)False

Question 11

You cannot spread the definition of your classes over multiple files using the partial keyword. Partial classes are reserved for use by the IDE.

Accepted Answer

A) True 
 B)False

Question 12

Protected access enables derived classes to have access to change data in the base class.

Accepted Answer

A) True 
 B)False

Question 13

All .NET languages support multiple inheritance.

Accepted Answer

A) True 
 B)False

Question 14

Access to members that have been defined with the public access modifier is restricted to members of the current class.

Accepted Answer

A) True 
 B)False

Question 15

A generic class is defined ____ on the class definition line.

Accepted Answer

A)   by inserting an identifier between left and right parentheses
B)   by inserting the word generic
C)   by removing the type
D)   by inserting an identifier between left and right brackets

Question 16

Encapsulation enables multiple implementations of the same behaviors so that the appropriate implementation can be executed based on the situation.

Accepted Answer

A) True 
 B)False

Question 17

It is not necessary to add a reference to a .dll file if the file is stored in the same project subdirectory.

Accepted Answer

A) True 
 B)False

Question 18

public static void ExchangeContents (ref T value1, ref T value2) {
T temp;
Temp = value1;
Value1 = value2;
Value2 = temp;
}
​Which of the following is TRUE regarding the above segment of code?

Accepted Answer

A)   ​The segment of code is defining a generic method.
B)   ​T is a placeholder for the data type.
C)   ​Data in the memory locations value1 and value2 are swapped.
D)   ​All of the above

Question 19

Through defining the methods of a class as private, you protect the class.

Accepted Answer

A) True 
 B)False

Question 20

Class library files end with a(n) ____ extension.

Accepted Answer

A)   .class
B)   .dll
C)   .exe
D)   .cs

Exam 11: Advanced Object-Oriented Programming Features

Determining which method to call at runtime based on which object invokes the method describes ____.

Constructors, which use the same identifier as their class, are normally defined with protected access.

Which access modifier should be used to give derived classes direct access to change the parent member data. This access modifier does not allow classes that instantiate objects of the class to have access to change member data?

Components that can be referenced from any number of applications are created as class library files with a dynamic link library (DLL) extension.

Object-oriented development focuses on designing classes that can be reused. One way to ensure this reuse is through designing and building components that can be stored in a library and called on when needed.

One way to write reusable code is to use the object data type for instance data members. Doing so then requires ____.

Constructors are defined with ____ access modifiers.

Once a DLL is available, any application can add a reference to the DLL. The referenced file with the .dll extension becomes part of the application's private assembly.

The Unified Modeling Language (UML) notation for the interfaces specifies that the name of the Interface methods should appear in italics.

When a class implements an interface, the body of each of the interface's methods has to be written in the new class.

You cannot spread the definition of your classes over multiple files using the partial keyword. Partial classes are reserved for use by the IDE.

Protected access enables derived classes to have access to change data in the base class.

All .NET languages support multiple inheritance.

Access to members that have been defined with the public access modifier is restricted to members of the current class.

A generic class is defined ____ on the class definition line.

Encapsulation enables multiple implementations of the same behaviors so that the appropriate implementation can be executed based on the situation.

It is not necessary to add a reference to a .dll file if the file is stored in the same project subdirectory.

public static void ExchangeContents (ref T value1, ref T value2) { T temp; Temp = value1; Value1 = value2; Value2 = temp; } Which of the following is TRUE regarding the above segment of code?

Through defining the methods of a class as private, you protect the class.

Class library files end with a(n) ____ extension.

Exam 11: Advanced Object-Oriented Programming Features

Determining which method to call at runtime based on which object invokes the method describes ____.

Constructors, which use the same identifier as their class, are normally defined with protected access.

Which access modifier should be used to give derived classes direct access to change the parent member data. This access modifier does not allow classes that instantiate objects of the class to have access to change member data?

Components that can be referenced from any number of applications are created as class library files with a dynamic link library (DLL) extension.

Object-oriented development focuses on designing classes that can be reused. One way to ensure this reuse is through designing and building components that can be stored in a library and called on when needed.

One way to write reusable code is to use the object data type for instance data members. Doing so then requires ____.

Constructors are defined with ____ access modifiers.

Once a DLL is available, any application can add a reference to the DLL. The referenced file with the .dll extension becomes part of the application's private assembly.

The Unified Modeling Language (UML) notation for the interfaces specifies that the name of the Interface methods should appear in italics.

When a class implements an interface, the body of each of the interface's methods has to be written in the new class.

You cannot spread the definition of your classes over multiple files using the partial keyword. Partial classes are reserved for use by the IDE.

Protected access enables derived classes to have access to change data in the base class.

All .NET languages support multiple inheritance.

Access to members that have been defined with the public access modifier is restricted to members of the current class.

A generic class is defined ____ on the class definition line.

Encapsulation enables multiple implementations of the same behaviors so that the appropriate implementation can be executed based on the situation.

It is not necessary to add a reference to a .dll file if the file is stored in the same project subdirectory.

public static void ExchangeContents (ref T value1, ref T value2) { T temp; Temp = value1; Value1 = value2; Value2 = temp; } ​Which of the following is TRUE regarding the above segment of code?

Through defining the methods of a class as private, you protect the class.

Class library files end with a(n) ____ extension.

public static void ExchangeContents (ref T value1, ref T value2) { T temp; Temp = value1; Value1 = value2; Value2 = temp; } Which of the following is TRUE regarding the above segment of code?