Design Patterns

notes#

it seems like “design patterns” are not exclusively restricted to ‘object-oriented-programming’, but this is the context in which I have learned such design.

there are three main categories of Design Patterns as decreed by the ‘Gang of Four’¹ (the authors of a seminal work Design Patterns | Elements of Reusable Object-Oriented Sofware.

a. Creational Patterns b. Structural Patterns c. Behavioural Patterns

in turn, each of these contain more patterns:

a. Creational:

1. Factory Method
2. Abstract Factory
3. Builder
4. Prototype
5. Singleton

b. Structural

6. Adapter
7. Bridge
8. Composite
9. Decorator
10. Façade
11. Flyweight
12. Proxy

c. Behavioural:

13. Interpreter
14. Template Method
15. Chain of Responsibility
16. Command
17. Iterator
18. Mediator
19. Memento
20. Observer
21. State
22. Strategy
23. Visitor

Creational#

Factory Method#

Abstract Factory#

Builder#

Prototype#

Singleton#

Structural#

Adapter#

Bridge#

Composite#

Decorator#

Façade#

Flyweight#

Proxy#

Behavioural:#

Interpreter#

Template Method#

Chain of Responsibility#

Command#

Iterator#

Mediator#

Memento#

Observer#

State#

Strategy#

Visitor#