How many retain-cycle interview questions are there?

1 reported question, mostly Mobile Engineering (Android/iOS).

How hard are retain-cycle questions?

They average 3.0 out of 5: 1 at 3/5.

retain-cycle Interview Questions

1 interview question in our bank covers retain-cycle, most of them Mobile Engineering (Android/iOS). They average 3.0/5 difficulty — medium — and each one was reported by a candidate after a real interview. Companies known to ask about retain-cycle: Mobile.

Practice these on the problems board →

Companies that ask about retain-cycle

Mobile1

Question mix

Mobile Engineering (Android/iOS)1

Difficulty

3/5 — medium1

Questions tagged retain-cycle

ARC Retain Cycles and weak vs unowned
3/5
This Mobile engineering discussion focuses on memory management mechanics in Swift, specifically investigating how reference tracking handles object lifecycles and determines deallocation. Candidates must identify retain cycles caused by cyclic strong references and explain how to mitigate them using appropriate reference modifiers. The conversation also highlights common pitfalls involving closure captures in concurrent or asynchronous codebases. The full theoretical explanation and architectural best practices require a paid subscription.
Mobile Engineering (Android/iOS)Mobile

retain-cycle interview FAQ

How many retain-cycle interview questions are there?: 1 reported question, mostly Mobile Engineering (Android/iOS).
Which companies ask retain-cycle questions?: Mobile (1).
How hard are retain-cycle questions?: They average 3.0 out of 5: 1 at 3/5.

Companies that ask about retain-cycle

Question mix

Difficulty

Questions tagged retain-cycle

ARC Retain Cycles and weak vs unowned

retain-cycle interview FAQ