Head First – Design Patterns

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OO-Principle 6

Overzicht van de behandelde Patterns:

	Pattern name	Description
1	State	Encapsulates state-based behaviors and uses delegation to switch between behaviors.
2	Iterator	Provides a way to traverse a collection of objects without exposing its implementation.
3	Decorator	Wraps an object to provide new behavior.
4	Facade	Simplifies the interface of a set of classes.
5	Adapter	Wraps an object and provides a different interface to it.
6	Proxy	Wraps an object to control access to it.
7	Strategy	Encapsulates interchangeable behaviors and uses delegation to decide which one to use.
8	Abstract Factory	Allow a client to create families of objects without specifying their concrete classes.
9	Factory Method	Subclasses decide which concrete classes to create.
10	Observer	Allow objects to be notified when state changes.
11	Template Method	Subclasses decide how to implement steps in an algorithm.
12	Composite	Clients treat collections of objects and individual objects uniformly.
13	Singleton	Ensures one and only object is created.
14	Command	Encapsulates a request as an object.