Hi Jan, SingeltonPattern may not be there in top 10, bcos of the complexities it posses in multi-threading programming and also in c++. This object should be made atomic and synchronized so that multi-threading operations does not corrupt the data. Singelton makes the design easy but it also at increased coupling and hard to maintain issues. I see most people tempted to reduce the complexity of there design by using singelton. I think singelton will be on the top for anti-patterns.
Thanks Regards. ----- Original Message ----- From: "Jan Hannemann" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, July 06, 2005 5:03 AM Subject: [patterns-discussion] Which patterns are more frequently used? > I'm wondering which patterns are actually used more frequently than others > in practice(*). In particular, I'd like to know which the top-5 (or top-10) > Gang-of-Four patterns(**) are in terms of number of pattern instances found > in practice. I do realize that this is hard to determine objectively, but > subjective rankings are fine, too. > > For example, I think it is pretty clear that Interpreter is less commonly > used in practice than, say, Observer. > > Are there by chance even research papers on this topic available? Or on > related topics (empirical study of patterns in the wild)? > > Opinions are welcome as well. A few years back I spoke to one of the authors > of the GoF book and he gave me this informal list of what he thought were > the top-9 according to his experience (most commonly used on top): > > Observer > Composite > Singleton > Abstract Factory > Visitor > Adapter > Factory Method > Template Method > Command > > Can you confirm this list, or do you have different experiences with > patterns used in practice? > > Thanks! > > --Jan > > > PS: To provide some context: my research involves design patterns (in > particular, the GoF patterns) and I want to make sure I focus on patterns > that are actually used in software development. > > (*) With "in practice" I mean "in real-word software systems". > (**) I'm only interested in the GoF patterns. > > _______________________________________________ > patterns-discussion mailing list > [email protected] > http://mail.cs.uiuc.edu/mailman/listinfo/patterns-discussion > _______________________________________________ patterns-discussion mailing list [email protected] http://mail.cs.uiuc.edu/mailman/listinfo/patterns-discussion
