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Infer Type is a new Eclipse refactoring that helps you decouple your code. If you have already made use of Eclipse refactorings, Infer Type is best introduced as a sibling to Extract Interface, Generalize Type, and Use Supertype Where Possible. However, i
Old, but very good article on Singleton (and OO) misunderstand/misuse. From my opinion, a second edition (e.g. "Patterns revisited") of the Patterns book is necessary, though it's horrible that Mr. Vlissides has passed away.