Design patterns

• Typical solutions to commonly occurring software design problems.
• Types of design patterns,
  1. Creational Patterns
  2. Structural Patterns
  3. Behavioural Patterns

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Creational Patterns §

• Deals with object creation mechanisms that increases code reuse and flexibility
• Types (Mnemonic: Builder FAPS),
  • Singleton
  • Factory
  • Abstract Factory
  • Builder
  • Prototype

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Structural Patterns §

• Explains how to assemble objects and classes into bigger structures
• Types (Mnemonic: ABCDFFP)
  • Adapter
  • Bridge
  • Composite
  • Decorator
  • Facade
  • Flyweight
  • Proxy

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Behavioural Patterns §

• Deals with communication and allocation of responsibilities between objects
• Types (Mnemonic: CMICMOSSTV),
  • Chain of responsibility
  • Mediator
  • Iterator
  • Command
  • Memento
  • Observer
  • State
  • Strategy
  • Template method
  • Visitor

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Refs §

1. https://refactoring.guru/design-patterns/