DesignPatterns

Sample Code for Design Patterns

A. Behavioral Design Patterns

Provides solution for the better interaction between objects and how to provide loose coupling and flexibility to extend easily. Achieves by Methods and their signatures.

1. Chain of Responsibilities
2. Iterator
3. Observer
4. Strategy
5. Visitor

B. Creational Design Patterns

Provides solution to instantiate an object in the best possible way for specific situations. Achieves by Polymorphism.

1. Abstract Factory
2. Builder
3. Factory
4. Prototype
5. Singleton (9 flavors)

C. Structural Design Patterns

Provides different ways to create a class structure, for example using inheritance and composition to create a large object from small objects. Achieves by Inheritance.

1. Adapter
2. Bridge
3. Composite
4. Decorator
5. Facade
6. Proxy

Appendix

1. Object Builder Design Pattern (Too Many Parameters)