Concurrency and Threading on Mobile Platforms Questions

Comprehensive understanding of concurrent programming specific to mobile. iOS: Grand Central Dispatch (GCD), OperationQueue, NSOperationQueue, thread safety, synchronization primitives. Android: ThreadPoolExecutor, Handler, HandlerThread, Coroutines, thread safety. Cross-platform reactive patterns with RxSwift, RxKotlin. Understanding race conditions, deadlocks, priority inversion, and how to design thread-safe mobile code. Real experience debugging concurrency bugs.