Scheduled task in scala

scheduled_task.scala

import akka.actor.ActorSystem

import scala.concurrent.duration._

val actorSystem = ActorSystem()
val scheduler = actorSystem.scheduler
val task = new Runnable { def run() { println("Hello") } }
implicit val executor = actorSystem.dispatcher


scheduler.schedule(
  initialDelay = 5 seconds,
  interval = 3 seconds,
  runnable = task)