Object Oriented Programming

Question 1

Define Polymorphism

Accepted Answer

Reads objects differently depending on there type

Question 2

For a Method to be a constructor, the name needs to be the same as what?

Accepted Answer

The Class

Question 3

Which one of these statements is true about constructors?

Accepted Answer

A class can contain both a constructor and a destructor.

Question 4

Which Object Oriented Programming concept requires the use of "get/set"?

Accepted Answer

Encapsulation

Question 5

What are important terms and concepts used in OOP?

Accepted Answer

Privacy, Constructor

Question 6

Is an object reference required for a static class?

Accepted Answer

No

Question 7

What keyword must be in a function to enable it to be overridden?

Accepted Answer

virtual

Question 8

Which of these are access modifiers?

Accepted Answer

public/private

Question 9

What do we use to instruct the program how to make an object?

Accepted Answer

Constructor

Question 10

What are the 2 major Access modifiers?

Accepted Answer

Private & Public

Question 11

what dose OOP mean?

Accepted Answer

Object-oriented programming (OOP)

Question 12

Which one is the correct inheritance symbol?

Accepted Answer

:

Question 13

An organized set of classes often following the using statement is.....

Accepted Answer

A namespace

Question 14

Which one of these will get a value and then set it?

Accepted Answer

get/set

Question 15

What is an overloaded method?

Accepted Answer

Two methods with the same name and different parameters.

Question 16

Consider pet bunny = new pet(); How do you feed the pet?

Accepted Answer

bunny.feed();

Question 17

What would allow the user to change an instantiated value without allowing them to see it?

Accepted Answer

Set;

Question 18

Which of the following would make the private variable _number equal to a public variable?

Accepted Answer

set { _number = value; }

Question 19

Which access modifier allows an object to be used in a different class?

Accepted Answer

Public

Question 20

If a class is marked static do all other functions within that class have to be marked static?

Accepted Answer

True

Question 21

What is the definition of an enumeration?

Accepted Answer

A defined set of named constants

Question 22

Who is the best teacher?

Accepted Answer

Mrs. Fernadez, Mr. Rilley

Question 23

If variable Health is equal to 80, Health is always equal to 80 when the program is run.

Accepted Answer

False

Question 24

Which method could NOT exist in the same class as the following method Subtractbyten(int num)?

Accepted Answer

Subtractbyten(int number)

Question 25

Which one of these is a pillar of object oriented programming?

Accepted Answer

polymorphism

Question 26

A interface is set up to be a___?

Accepted Answer

Prototype

Question 27

Up to how many classes can you Inherit in one other class?

Accepted Answer

1

Question 28

In the Tomagotchi program, we used DialogResult=DialogResult.OK. What is "OK" called?

Accepted Answer

An enumeration

Question 29

What three things define a class?

Accepted Answer

Name, Methods, Properties

Question 30

When inheriting classes, the new class is the......

Accepted Answer

Derived class

Question 31

How do you instantiate an object of the payInvoice class?

Accepted Answer

payInvoice newBill = new payInvoice();

Question 32

To show a different form we use.....

Accepted Answer

A showDialog method

Question 33

How do we make a variable global in a class?

Accepted Answer

Declare at the class level.

Question 34

What do we call the concept of enclosing an object so that it is complete and protected?

Accepted Answer

Encapsulate

Question 35

What are the advantages of using Object Oriented Programming?

Accepted Answer

Encapsulation, Software maintenance, Once classes have been designed, it is easier to program., The ability to re-use code

Question 36

How can we describe the definition of a class in OOP?

Accepted Answer

A blueprint for building objects

Question 37

In an image list, where do the images go?

Accepted Answer

Items (Collection)

Question 38

These are all basic features of OOPs except

Accepted Answer

Ability

Question 39

Sub-classes provide the functionality and features inherited by superclasses.

Accepted Answer

False

Question 40

What option must you right click in the solution explorer to create a new class.

Accepted Answer

The Project Name

Object Oriented Programming

Questions 40

Object Oriented Programming

Questions 40