public static void main(String[] args) throws InterruptedException {
ActorSystem _system = ActorSystem.create("CustomRouteeRouterExample");
ActorRef echoActor1 = _system.actorOf(new Props(MsgEchoActor.class));
ActorRef echoActor2 = _system.actorOf(new Props(MsgEchoActor.class));
ActorRef echoActor3 = _system.actorOf(new Props(MsgEchoActor.class));
Iterable<ActorRef> routees = Arrays.asList(new ActorRef[] { echoActor1,
echoActor2, echoActor3 });
ActorRef randomRouter = _system.actorOf(new Props(MsgEchoActor.class)