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Oct 6, 2015 at 12:12 vote accept Yogesh Karodiya
Oct 5, 2015 at 20:41 comment added Ryan Hoerr @KAndy That may be the basic intended purpose, but a side effect of that is they also work for class overriding. Semantically they are the same. Class rewriting via preferences is what Yogesh was asking about, and also what the Fundamentals exercise he was working on instructs you to do.
Oct 5, 2015 at 17:02 comment added KAndy Preference is not equivalent to class rewriting. It is way to provide default implementation for interfaces.
Oct 5, 2015 at 12:54 history answered Ryan Hoerr CC BY-SA 3.0