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* Add simple implementation for strangler pattern. * Add strangler pattern in pom.xml. * change package name * Revert "change package name" This reverts commit 430bd9073ea7bea6430586a0953c77f1798aacc8. * Code review for strangler Delete final of method parameters. Add final to private members. Change package name. * Revert "Code review for strangler" This reverts commit d5063567083e0348d678a938bd749e17343bcb8e. * Revert "Revert "Code review for strangler"" This reverts commit c8fd65fda782749c4f74f6de85da0f271d3c48a8. * Remove unnecessary files
Design patterns implemented in Java
Introduction
Design patterns are the best formalized practices a programmer can use to solve common problems when designing an application or system.
Design patterns can speed up the development process by providing tested, proven development paradigms.
Reusing design patterns help prevent subtle issues that cause major problems, and it also improves code readability for coders and architects who are familiar with the patterns.
Getting started
This site showcases Java Design Patterns. The solutions have been developed by experienced programmers and architects from the open source community. The patterns can be browsed by their high level descriptions or by looking at their source code. The source code examples are well commented and can be thought as programming tutorials how to implement a specific pattern. We use the most popular battle-proven open source Java technologies.
Before you dive into the material, you should be familiar with various software design principles.
All designs should be as simple as possible. You should start with KISS, YAGNI, and Do The Simplest Thing That Could Possibly Work principles. Complexity and patterns should only be introduced when they are needed for practical extensibility.
Once you are familiar with these concepts you can start drilling down into patterns by any of the following approaches
- Using difficulty tags,
Difficulty-Beginner,Difficulty-Intermediate&Difficulty-Expert. - Using pattern categories,
Creational,Behavioral, and others. - Search for a specific pattern. Can't find one? Please report a new pattern here.
Hopefully you find the object oriented solutions presented on this site useful in your architectures and have as much fun learning them as we had developing them.
How to contribute
If you are willing to contribute to the project you will find the relevant information in our developer wiki. We will help you and answer your questions in the Gitter chatroom.
License
This project is licensed under the terms of the MIT license.