Question 1

The base default constructor is called by ____.

Accepted Answer

A)  adding base( ):  between the constructor heading and the opening curly brace 
B)  typing base( ): as the first executable statement in the derived constructor 
C)  adding className( ):  between the constructor heading and the opening curly brace 
D)  typing base( ): as the first executable statement in the Main( ) method 
A)  adding base( ):  between the constructor heading and the opening curly brace 
B)  typing base( ): as the first executable statement in the derived constructor 
C)  adding className( ):  between the constructor heading and the opening curly brace 
D)  typing base( ): as the first executable statement in the Main( ) method

Question 2

Multiple inheritance is not possible in C#; ____ provides the closest work around to this because a class can implement multiple ____.

Accepted Answer

A)  interfaces 
B)  abstract classes 
C)  virtual classes 
D)  components 
A)  interfaces 
B)  abstract classes 
C)  virtual classes 
D)  components

Question 3

To override a method, the base method may include any of the following keywords, EXCEPT ____.

Accepted Answer

A)  virtual 
B)  abstract 
C)  interface 
D)  override 
A)  virtual 
B)  abstract 
C)  interface 
D)  override

Question 4

Partial classes enable a class to be split into two or more files and combined when the application is compiled and ran.

Accepted Answer

A) True 
 B)False

Question 5

If you do not want subclasses to be able to provide new implementation details, you can add the keyword ____ to methods. Doing so keeps derived classes from being able to override the method.

Accepted Answer

A)  partial 
B)  abstract 
C)  virtual 
D)  sealed 
A)  partial 
B)  abstract 
C)  virtual 
D)  sealed

Question 6

____ classes cannot be instantiated. ____ classes cannot be inherited.

Accepted Answer

A)  Abstract, Sealed 
B)  Sealed. Abstract 
C)  Abstract, Abstract 
D)  Sealed, Sealed 
A)  Abstract, Sealed 
B)  Sealed. Abstract 
C)  Abstract, Abstract 
D)  Sealed, Sealed

Question 7

A stack represents a simple ____________ collection.

Accepted Answer

last-in-fi

Question 8

With C#, you have single inheritance, but a class can ____________ multiple interfaces.

Accepted Answer

The answer of With C#, you have single inheritance, but...

Question 9

When you have a method that has the same name in both the base and derived classes, use the keyword super to refer to the method in the base class.

Accepted Answer

A) True 
 B)False

Question 10

Both var and ____________ enables developers to not associate a specific data type to the actual data when the memory declaration for the variable is written.

Accepted Answer

The answer of Both var and ____________ enables developers to...

Question 11

Generics enable you to identify where data will change in the code segment by putting a placeholder in the code for the type parameters.

Accepted Answer

A) True 
 B)False

Question 12

Software components often take the form of classes or collections of methods.

Accepted Answer

A) True 
 B)False

Question 13

Components are implemented in C# through ____.

Accepted Answer

A)  classes 
B)  encapsulation 
C)  namespaces 
D)  packages 
A)  classes 
B)  encapsulation 
C)  namespaces 
D)  packages

Question 14

public​ class A : B, C
Which of the following statements is TRUE regarding the above declaration?

Accepted Answer

A)  ​A is the base class. 
B)  ​B is the derived class. 
C)  ​C is an interface. 
D)  ​All of the above are correct. 
A)  ​A is the base class. 
B)  ​B is the derived class. 
C)  ​C is an interface. 
D)  ​All of the above are correct.

Question 15

Variables declared as dynamic ____.

Accepted Answer

A)  require boxing or casting to identify the actual data type 
B)  can hold any type of value 
C)  stores data as strings 
D)  must have an associated data type added as part of the declaration 
A)  require boxing or casting to identify the actual data type 
B)  can hold any type of value 
C)  stores data as strings 
D)  must have an associated data type added as part of the declaration

Question 16

You can think of an interface as a class that is totally ____________.

Accepted Answer

The answer of You can think of an interface as...

Question 17

Use the ____ keyword to mark a class so that it can be used only as the base class from which other classes can be derived.

Accepted Answer

A)  base 
B)  interface 
C)  virtual 
D)  abstract 
A)  base 
B)  interface 
C)  virtual 
D)  abstract

Question 18

If a class implements more than one ____________, they all appear on the class definition line separated by commas.

Accepted Answer

The answer of If a class implements more than one...

Question 19

An overloaded method must have exactly the same signature as the method it is overriding.

Accepted Answer

A) True 
 B)False

Question 20

____________ allows you to create a general class and then define specialized classes that have access to the members of the general class.

Accepted Answer

The answer of ____________ allows you to create a general...

The base default constructor is called by ____.

Multiple inheritance is not possible in C#; provides the closest work around to this because a class can implement multiple .

To override a method, the base method may include any of the following keywords, EXCEPT ____.

Partial classes enable a class to be split into two or more files and combined when the application is compiled and ran.

If you do not want subclasses to be able to provide new implementation details, you can add the keyword ____ to methods. Doing so keeps derived classes from being able to override the method.

classes cannot be instantiated. classes cannot be inherited.

A stack represents a simple ____________ collection.

With C#, you have single inheritance, but a class can ____________ multiple interfaces.

When you have a method that has the same name in both the base and derived classes, use the keyword super to refer to the method in the base class.

Both var and ____________ enables developers to not associate a specific data type to the actual data when the memory declaration for the variable is written.

Generics enable you to identify where data will change in the code segment by putting a placeholder in the code for the type parameters.

Software components often take the form of classes or collections of methods.

Components are implemented in C# through ____.

public class A : B, C Which of the following statements is TRUE regarding the above declaration?

Variables declared as dynamic ____.

You can think of an interface as a class that is totally ____________.

Use the ____ keyword to mark a class so that it can be used only as the base class from which other classes can be derived.

If a class implements more than one ____________, they all appear on the class definition line separated by commas.

An overloaded method must have exactly the same signature as the method it is overriding.

____________ allows you to create a general class and then define specialized classes that have access to the members of the general class.

Introduction to Computing and Programming

Data Types and Expressions

Methods and Behaviors

Creating Your Own Classes

Making Decisions

Repeating Instructions

Arrays

Advanced Collections

Introduction to Windows Programming

Programming Based on Events

Debugging and Handling Exceptions

Working With Files

Working With Databases

Web-Based Applications

Filters

Exam 11: Advanced Object-Oriented Programming Features

The base default constructor is called by ____.

Multiple inheritance is not possible in C#; ____ provides the closest work around to this because a class can implement multiple ____.

To override a method, the base method may include any of the following keywords, EXCEPT ____.

Partial classes enable a class to be split into two or more files and combined when the application is compiled and ran.

If you do not want subclasses to be able to provide new implementation details, you can add the keyword ____ to methods. Doing so keeps derived classes from being able to override the method.

____ classes cannot be instantiated. ____ classes cannot be inherited.

A stack represents a simple ____________ collection.

With C#, you have single inheritance, but a class can ____________ multiple interfaces.

When you have a method that has the same name in both the base and derived classes, use the keyword super to refer to the method in the base class.

Both var and ____________ enables developers to not associate a specific data type to the actual data when the memory declaration for the variable is written.

Generics enable you to identify where data will change in the code segment by putting a placeholder in the code for the type parameters.

Software components often take the form of classes or collections of methods.

Components are implemented in C# through ____.

public​ class A : B, C Which of the following statements is TRUE regarding the above declaration?

Variables declared as dynamic ____.

You can think of an interface as a class that is totally ____________.

Use the ____ keyword to mark a class so that it can be used only as the base class from which other classes can be derived.

If a class implements more than one ____________, they all appear on the class definition line separated by commas.

An overloaded method must have exactly the same signature as the method it is overriding.

____________ allows you to create a general class and then define specialized classes that have access to the members of the general class.

Introduction to Computing and Programming

Data Types and Expressions

Methods and Behaviors

Creating Your Own Classes

Making Decisions

Repeating Instructions

Arrays

Advanced Collections

Introduction to Windows Programming

Programming Based on Events

Debugging and Handling Exceptions

Working With Files

Working With Databases

Web-Based Applications

Filters

Multiple inheritance is not possible in C#; provides the closest work around to this because a class can implement multiple .

classes cannot be instantiated. classes cannot be inherited.

public class A : B, C Which of the following statements is TRUE regarding the above declaration?