Vanilla Akka usage

Main.scala

object Main {
  def main(args: Array[String]): Unit = {
    val systemName = "47Ronin"
    val system = ActorSystem(systemName)
    val printer = system.actorOf(Props[PrinterDude], "printerDude")
    printer ! PrintIt("Hello World!")
  }
}

Messages.scala

case class PrintIt(msg:String)

PrinterDude.scala

class PrinterDude extends Actor {
  
  def receive = {
    case PrintIt(msg) =>
      Console.println(msg)
  }
}