Design patterns

Design patterns are implemented in programming languages

Creational design patterns

Factory method

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Done	Done

Abstract factory

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Done	Done

Builder

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Done	Done

Prototype

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Done	Done

Singleton

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Done	Naive singleton
	Thread-safe

Structural design patterns

Adapter

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Done	Inheritance
	Object composition

Bridge

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Done	Done

Composite

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Done	Done

Decorator

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Done	Done

Facade

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Done	Done

Flyweight

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Done	Done

Proxy

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Done	Done

Behavioral design patterns

Chain of responsibility

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Done	Done

Command

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Done	Done

Iterator

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Done	Done

Mediator

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Done	Done

Memento

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Done	Done

Observer

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Done	Done

State

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Done	Done

Strategy

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Template method

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10. Visitor

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