Junior — Middle
Have you had experience using mutexes for thread or process synchronization?
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Answer from AI
Mutexes are used for synchronizing access to shared resources between threads or processes to prevent race conditions and ensure data correctness. In Android, you can use the Mutex class from Kotlin Coroutines or standard Java mechanisms, such as ReentrantLock.
Example of using Mutex in Kotlin Coroutines:
val mutex = Mutex()
suspend fun criticalSection() {
mutex.lock()
try {
// Critical section: working with shared resources
} finally {
mutex.unlock()
}
}
This approach guarantees that only one thread can enter the critical section at a time, preventing conflicts when accessing data.