Úvod do Kotlin Coroutines

main starts
Routine 1 starts to work
Routine 1 finished
Routine 2 starts to work
Routine 2 finished
main ends
fun main() {
    println("main starts")
    thread { routine(1, 500) }
    thread { routine(2, 300) }
    Thread.sleep(600)
    println("main ends")
}
fun main() {
    println("main starts")
    val disposables = CompositeDisposable()
    disposables.addAll(
        Completable.fromAction {
            routine(1, 500)
        }.subscribeOn(Schedulers.newThread()).subscribe(),
        Completable.fromAction {
            routine(2, 300)
        }.subscribeOn(Schedulers.newThread()).subscribe()
    )
    Thread.sleep(600)
    println("main ends")
    disposables.dispose()
}
fun main() = runBlocking {
    println("main starts")
    joinAll(
        async { coroutine(1, 500L) },
        async { coroutine(2, 300L) }
    )
    println("main ends")
}

private suspend fun coroutine(number: Int, t: Long) {
    println("Routine $number starts to work")
    delay(t)
    println("Routine $number finished")
}
main starts
Routine 1 starts to work
Routine 2 starts to work
Routine 2 finished
Routine 1 finished
main ends

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