Benefits

• Industry-standard approach to software engineering

• Reusability and robustness

• Easier to debug and quick development as team(s)

Categories

Creational patterns

• Singleton

• Factory

• Abstract factory

• Builder

• Prototype

Structural patterns

• Adapter

• Composite

• Proxy

• Flyweight

• Facade

• Bridge

• Decorator

Behavioral patterns

• Template

• Mediator

• Chain of responsibility

• Observer

• Strategy

• State

• Visitor

• Interceptor

• Iterator

• Momento

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