Interview guides / ios
Protocol-oriented Design: iOS Interview Question
Protocol-oriented Design interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.
This is a common iOS interview topic: Protocol-oriented Design.
Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.
1.What is protocol-oriented programming and when is it better than class inheritance?
Define behavior via protocols + extensions, compose capabilities, and prefer generics/PAT constraints. Better than deep class hierarchies for testability and reuse without fragile base classes.
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