Creational Design Patterns

Question 1

What are the two main goals of creational design patterns?

Answer 1

Question 2

What is a singleton design pattern?

Answer 2

Singleton is a creational design pattern that lets you ensure that a class has only one instance, while providing a global access point to this instance.

Question 3

Go through the logger example of the Singleton design pattern in the slides

Answer 3

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Question 4

What is the applicability of the singleton creational design pattern?

Answer 4

Question 5

What are the consequences of using the singleton design pattern?

Answer 5

Question 6

What is the Factory Method creational design pattern?

Answer 6

Question 7

What are the problems withe the factory method creational design pattern?

Answer 7

Question 8

What is a simple factory? What are its problems?

Answer 8

Question 9

What is the applicability of the Factory Method creational design pattern?

Answer 9

Question 10

Example of the Factory Method:

Answer 10

The factory method is solution 2, with a twist
* createMonster function is protected
* FireGameLevel and IceGameLevel will overload it
* Will change the monsters used in the GameLevel

Question 11

What are the consequences of using the factory method creational design pattern?

Answer 11

Question 12

What is the Abstract Factory creational design pattern?

Answer 12

Question 13

what is the applicability of the abstract factory creational design pattern?

Answer 13

Question 14

Abstract factory example

Answer 14

Question 15

What are the consequences of the abstract factory creational design pattern?

Answer 15

Question 16

What are the differences between an abstract factory and the factory method?

Answer 16

Question 17

What is the builder creational design pattern?

Answer 17

Question 18

What are the following with regards to the builder creational design pattern?
Director
Builder
Concrete Builder
Product

Answer 18

Question 19

What is the applicability of the builder creational design pattern?

Answer 19

Question 20

Builder creational design pattern example:

Answer 20

Question 21

Go over the Pizza Pizza example for the creational design pattern:

Answer 21

Question 22

What are the consequences of using the builder creational design pattern?

Answer 22

Question 23

What are the differences between the builder creational design pattern and the abstract factory creational design pattern?

Answer 23

Question 24

What is the scenario in which we would want to use the prototype creational design pattern?

Answer 24

Question 25

What is the prototype creational design pattern?

Answer 25

Question 26

Go over the example of the prototype creational design pattern in the notes

Answer 26

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Question 27

What is the applicability of the prototype creational design pattern?

Answer 27

Question 28

Prototype creational design pattern diagram:

Answer 28

Question 29

With the Prototype creational design pattern, how would the creation of a video game level happen?

Answer 29

Question 30

What would the difference be between the Prototype and Abstract Factory creational design patterns when it comes to creating a new video game level?

Answer 30

Question 31

How would the Prototype and Abstract Factory creational design patterns work in tandem with the example of creating things in a video game?

Answer 31

Question 32

What are the consequences of using the prototype creational design pattern?

Answer 32