Design Patterns

Introduction

• Design patterns are common architectural approaches
• Popularized by Gang of Four book (1994)
• Universallly relevant
  • Internalized in some programming languages
  • Libraries

Topic

SOLID Design Principles (Frequently referenced in Design Pattern literature)

• Single Responsibility Principle (SRP)
• Open/Close Principle (OCP)
• Liskov Substitution Principle (LSP)
• Inteface Segregation Principle (ISP)
• Dependency Inversion Principle (DIP)

Creational

• Builder
• Factories
  • Abstract Factory
  • Factory Method
• Prototype
• Singleton

Structural

• Adapter
• Bridge
• Composite
• Decorator
• Facade
• Flyweight
• Proxy

Behavioral

• Chain of Responsibility
• Command
• Interpretor
• Mediator
• Memento
• Null Object
• Observer
• State
• Strategy
• Template Method
• Visitor