klevismiho.com » Design Patterns http://klevismiho.com Blog of an Albanian Web Developer Thu, 10 May 2012 07:52:47 +0000 en hourly 1 What are Design Patterns? http://klevismiho.com/what-are-design-patterns/ http://klevismiho.com/what-are-design-patterns/#comments Sun, 04 Apr 2010 17:06:38 +0000 klevisi http://klevismiho.com/en/?p=13 Christopher Alexander“Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice” by Christopher Alexander, architect (the guy in the picture).

This is true in object oriented design patterns, even if he was talking about patterns in building design.

A pattern is made of four essential elements:

1. The pattern name

2. The Problem

3. The Solution

4. The Consequences

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