Design Pattern

Design patterns are documented tried and tested solutions for recurring problems in a given context.
Representing a system in terms of high-level abstractions promotes understanding of the system and reduces its perceived complexity.

Singleton design patterns	Proxy design patterns	Factory Abstract factory design patterns
MVP design patterns	MVC design patterns	SOA

---

There are three basic classifications of patterns

Creational Patterns	Structural Patterns	Behavioral Patterns
Abstract Factory Factory Method Prototype Singleton	Proxy Adapter Façade Bridge	Observer Visitor Strategy Mediator