Software Design Pattern

Tech problems sometimes have well-defined solutions, they are flexible, modular and more understandable. Design patterns are abstracted solutions which ignore the technical details.

1. Types of Design Patterns

• Creational

  • Builder
  • Prototype
  • Singleton
  • Factory Design Pattern
    • Simple Factory (technically not a design pattern)
    • Factory Method
    • Abstract Factory

• Structural

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

• Behavioral

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

2. Four Principles for OOP

Check out OOP notes HERE!

• Encapsulation
• Abstraction
• Inheritance
• Polymorphism

3. SOLID + Two Principles for OOD

Check out OOD notes HERE!

• Single Responsibility Principle

• Open Closed Principle

• Liskov Substitution Principle

• Interface Segregation Principle

• Dependency Inversion Principle

• Least Knowledge Principle

• Composite/Aggregate Reuse Principle

References

[1] "Software Design Pattern: Best Practices for Software Developer" by educative.io

[2] "Grokking the Object Oriented Design Interview" by educative.io

[3] Design Patterns by refactoring.guru