Disadvantage of Static Classes

@Mark: Of course not. That wasn't really the point of the example. You still have to instantiate an object of that type in order to call its Copy method. Is there a reason you think that is preferred? – Cody Gray Dec 6 '10 at 14:40
1	@Cody Gray: Yes. Static classes can't implement interfaces, so they lead towards tightly coupled code. – Mark Seemann Dec 6 '10 at 14:41

http://stackoverflow.com/questions/4367347/constructor-parameters-vs-method-parameters