DISCLAIMER: I'm almost sure that I've seen the same question before but I can't find it now. If someone finds that question, please, give a link.

I heard at least two opinions on the best name for classes which implements CRUD operations: someone says that DAO is a classical name and everyone knows what it means, but others say that Manager corresponds much better to CRUD functionality.

Are there any unambiguous rules when should I choose one or another (or yet another) name?

java oop naming-conventions naming
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