Design Patterns

Design Patterns
- Creational
  - Factory Method
  - Abstract Factory
  - Builder
  - Singleton
- Structural
  - Facade
  - Proxy
  - Decorator
  - Composite
  - Adapter
  - Flyweight
  - Bridge
- Behavioral
  - Strategy
  - Template method
  - Visitor
  - Chain of Responsibility
  - Mediator
  - State
  - Observer
Principles
- SOLID
  - Dependency Inversion vs Inversion Of Control vs Dependency Injection
- DRY
- KISS
- YAGNI
- Separation of Concerns
- Least Knowledge
- The Hollywood
- Favor Composition over Inheritance
- Program to an interface, not an implementation
Code Smells
- Bloaters
  - Long Method
  - Large Class
  - Primitive Obsession
  - Long Parameter List
  - Data Clumps
- Object-Orientation Abusers
  - Switch Statements
  - Temporary Field
  - Refused Bequest
  - Alternative Classes with Different Interfaces
- Change Preventers
  - Divergent Change
  - Shotgun Surgery
  - Parallel Inheritance Hierarchies
- Dispensables
  - Comments
  - Duplicate Code
  - Lazy Class
  - Data Class
  - Dead Code
  - Speculative Generality
- Couplers
  - Feature Envy
  - Inappropriate Intimacy
  - Message Chains
  - Middle Man