50 iOS Interview Questions And Answers Part 3

Durul Dalkanat
13 min readMar 16, 2017

Updated on Jan, 2024

Hello, Part 3 is ready! Check out Part 1 and Part 2 if you haven’t already :)

1- Explain the Mediator Design Pattern

The mediator object encapsulates the interaction policies in a hidden and unconstraining way. Objects being manipulated by mediators have no idea it exists. It sits quietly behind the scenes and…