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Design patterns

Design patterns are typical solutions to common problems in software design.

Benefits of patterns

Patterns are a toolkit of solutions to common problems in software design. They define a common language that helps your team communicate more efficiently.

Classification of patterns

All patterns can be categorized by their intent, or purpose:

• Creational patterns provide object creation mechanisms that increase flexibility and reuse of existing code.

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

• Structural patterns explain how to assemble objects and classes into larger structures, while keeping these structures flexible and efficient.

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

• Behavioral patterns take care of effective communication and the assignment of responsibilities between objects.

  • Iterator
  • Visitor
  • Command
  • Observer
  • Mediator
  • Strategy
  • Template Method
  • Memento
  • Chain of Responsibility
  • Observer