Quiz: Shared State

Test yourself on what you've learned about shared state, coarse-grained thread confinement, deadlocks, mutex, and dispatchers.

1

(Fill in the blank.) The value of the counter in the following code snippet is ________.

fun main() = runBlocking {
    massiveRun {
        counter++
    }
    println(counter)
}

suspend fun massiveRun(action: suspend () -> Unit) =
    withContext(Dispatchers.Default) {
        repeat(1000) {
            launch {
                repeat(1000) { action() }
            }
        }
    }
A)

less than 1,000,000

B)

less than 100,000

C)

1,000,000

D)

100,000

Question 1 of 50 attempted

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