HelloAkka.scala

import akka.actor.{Actor, ActorSystem, Props}
object HelloWorld extends App {
  val system = ActorSystem("system")
  val ref = system.actorOf(Props[MyActor])
  ref ! "HelloWorld"
}

class MyActor extends Actor {
  override def receive: Receive =  {
    case msg => println(msg)
  }
}