---
layout: pattern
title: Layers
folder: layers
permalink: /patterns/layers/
pumlformat: svg
categories: Architectural
tags:
- Java
- Difficulty-Intermediate
- Spring
---
## Intent
Layers is an architectural style where software responsibilities are
divided among the different layers of the application.
## Applicability
Use the Layers architecture when
* you want clearly divide software responsibilities into different parts of the program
* you want to prevent a change from propagating throughout the application
* you want to make your application more maintainable and testable
## Credits
* [Pattern Oriented Software Architecture Vol I-V](http://www.amazon.com/Pattern-Oriented-Software-Architecture-Volume-Patterns/dp/0471958697)