Interview guides / android

Kotlin Data Class: Android Interview Question

Kotlin Data Class interview question with a clear example answer for Android engineers. Practice with AceMobileInterview.

This is a common Android interview topic: Kotlin Data Class.

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

1. 1.Why are data classes useful for UI state?

   copy(), equals/hashCode, destructuring for immutable state updates. Prefer val properties; avoid mutable lists inside without care.