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when toggle format what by license comment
Sep 27, 2015 at 14:39 history edited Davislor CC BY-SA 3.0
added 487 characters in body
Sep 27, 2015 at 13:06 comment added Jules And particularly if the reference is to an abstract class that is extended by the concrete implementation your class uses; then you are not revealing the implementation, but just providing an interface that the implementation has to support.
Sep 27, 2015 at 2:55 history answered Davislor CC BY-SA 3.0