So Singletons are bad, then what?
There has been a lot of discussion lately about the problems with using (and overusing) Singletons. I've been one of those people earlier in my career too. I can see what the problem is now, and yet, there are still many cases where I can't see a nice alternative - and not many of the anti-Singleton discussions really provide one. Here is a real example from a major recent project I was involved i
The Art of Unix Programming
This book and its on-line version are distributed under the terms of the Creative Commons Attribution-NoDerivs 1.0 license, with the additional proviso that the right to publish it on paper for sale or other for-profit use is reserved to Pearson Education, Inc. A reference copy of this license may be found at http://creativecommons.org/licenses/by-nd/1.0/legalcode. AIX, AS/400, DB/2, OS/2, System/
Examples of GoF Design Patterns in Java's core libraries
You can find an overview of a lot of design patterns in Wikipedia. It also mentions which patterns are mentioned by GoF. I'll sum them up here and try to assign as many pattern implementations as possible, found in both the Java SE and Java EE APIs. Creational patterns Abstract factory (recognizeable by creational methods returning the factory itself which in turn can be used to create another abs
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Design patterns in Scala - Zentrum des Wissens
http://blog.ezyang.com/2010/05/design-patterns-in-haskel/
