Interview guides / ios

Structs vs Classes: iOS Interview Question

Structs vs Classes interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.

This is a common iOS interview topic: Structs vs Classes.

Below is a concise answer you can adapt in a real interview, then go deeper in the full AceMobileInterview track.

1. 1.When do you choose a struct over a class in Swift?

   Prefer structs for value semantics, thread-safer copies, and simple data. Use classes for identity, inheritance, Objective-C interop, or shared mutable references. Many modern models are structs; UIKit types remain classes.