Design Patterns

Notes and exercises for learning design patterns.

Introduction

• SOLID
  • Exercise 1
  • Exercise 2
  • Exercise 3
• Gamma Categorization of Design Patterns

Builder — Creational

• Builder
  • Exercise 1
  • Solution 1
• Builder Facets
• Builder Facets: Root-Builder Inheritance Approach
  • Exercise 2
  • Solution 2
• Builder Inheritance
  • Exercise 3
  • Solution 3

Factory — Creational

• Factory Methods as Named Constructors
  • Exercise 1
  • Solution 1
• Factories
  • Exercise 2
  • Solution 2
• Factories and the Open/Closed Principle
  • Exercise 3
  • Solution 3
  • Exercise 4
  • Solution 4

Prototype — Creational

• Prototype
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3
• Prototype Factories
  • Exercise 4
  • Solution 4

Singleton — Creational

• Singleton
  • Exercise 1
  • Solution 1
• Singleton as Decorator
  • Exercise 2
  • Solution 2
• Singleton as Metaclass
  • Exercise 3
  • Solution 3
• Monostate Pattern
  • Exercise 4
  • Solution 4

Adapter — Structural

• Adapter Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3
• Cached Adapter Design Pattern
  • Exercise 4
  • Solution 4

Bridge — Structural

• Bridge Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3

Composite — Structural

• Composite Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3

Decorator — Structural

• Decorator Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3
• Transparent Decorator

Facade — Structural

• Facade Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3

Flyweight — Structural

• Flyweight Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3

Proxy — Structural

• Proxy Design Pattern
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
  • Exercise 3
  • Solution 3

Chain of Responsibility — Behavioral

• Chain of Responsibility: Method Chain
  • Exercise 1
  • Solution 1
  • Exercise 2
  • Solution 2
• Command Query Separation
• Broker Chain
  • Exercise 3
  • Solution 3
  • Exercise 4
  • Solution 4

Command — Behavioral

• Command Design Pattern