Interview guides / ios

Delegates vs Closures: iOS Interview Question

Delegates vs Closures interview question with a clear example answer for iOS engineers. Practice with AceMobileInterview.

This is a common iOS interview topic: Delegates vs Closures.

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 pick delegate patterns vs completion closures?

   Delegates suit multi-method ongoing relationships (tableView). Closures suit one-shot results. Avoid retain cycles: weak delegates, weak self captures.