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Design-Patterns

★ 105 Open GitHub ↗

All design patterns implemented in Java with code, explanation and learning resources

// repository documentation

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# Design-Patterns using Java

## Introduction
This repo contains all design patterns from [Head First Design patterns](http://shop.oreilly.com/product/9780596007126.do). Every Design pattern contains code in Java along with explanation and resources to study as well.

| Behavioural Patterns                                                                                             | Creational Patterns                                                                                                       | Structural Patterns |
| ---------------------------------------------------------------------------------------------------------------- | :-----------------------------------------------------------------------------------------------------------------------: | -------------------------------------------------------------------------------------: |
| [Chain Of Responsibility](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Chain%20of%20Responsibility) | [Factory Method](https://github.com/piyush6348/Design-Patterns/tree/master/Creational%20Patterns/Factory%20Patterns/Factory%20Method%20Pattern) | [Adapter](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Adapter%20Pattern) |
| [Command](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Command%20Pattern) | [Abstract Factory](https://github.com/piyush6348/Design-Patterns/tree/master/Creational%20Patterns/Factory%20Patterns/Abstract%20Factory%20Pattern) | [Bridge](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Bridge%20Pattern) |
| [Iterator](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Iterator%20Pattern) | [Builder](https://github.com/piyush6348/Design-Patterns/tree/master/Creational%20Patterns/Builder%20Pattern) | [Composite](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Composite%20Pattern) |
| [Mediator](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Mediator%20Pattern) | [Prototype](https://github.com/piyush6348/Design-Patterns/tree/master/Creational%20Patterns/Prototype%20Pattern) | [Decorator](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Decorator%20Pattern) |
| [Memento](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Memento%20Pattern) | [Singleton](https://github.com/piyush6348/Design-Patterns/tree/master/Creational%20Patterns/Singleton%20Pattern) | [Facade](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Facade%20Pattern) |
| [Observer](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Observer%20Pattern) | | [Flyweight](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Flyweight%20Pattern) |
| [State](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/State%20Pattern) | | [Proxy](https://github.com/piyush6348/Design-Patterns/tree/master/Structural%20Patterns/Proxy%20Pattern) |
| [Strategy](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Strategy%20Pattern) |
| [Template](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Template%20Pattern) |
| [Visitor](https://github.com/piyush6348/Design-Patterns/tree/master/Behavioural%20Patterns/Visitor%20Pattern) |

| Design principles |
| ----------------- |
| [Hollywood Principle](https://github.com/piyush6348/Design-Patterns/tree/master/Design%20Principles/Hollywood%20Principle) |
| [Single Responsibility Principle](https://github.com/piyush6348/Design-Patterns/tree/master/Design%20Principles/Single%20Responsibility%20Principle) |

Few other resources I would like to recommend are

- [Head First Design patterns](http://shop.oreilly.com/product/9780596007126.do)

- [Amazing playlist by Christopher Okhravi](https://www.youtube.com/playlist?list=PLrhzvIcii6GNjpARdnO4ueTUAVR9eMBpc)

- [Refactoring Guru](https://refactoring.guru/)

Design-Patterns

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