iOS interview questions reported at Amazon

1 questions candidates reported being asked at Amazon. Anonymous and unverified, so treat it as a hint of what to expect.

They cover Memory, ARC & runtime. Every question below links to a full answer with the common traps and the follow-ups an interviewer is likely to ask, so you can practise the way the interview goes: answer first, then defend it.

  1. How does ARC work, and how is it different from garbage collection? 3.1.1