ExecutorService executor = Executors.newFixedThreadPool(30);
Connection connection = factory.newConnection(executor);

for(int i=0;i<=30;i++) {
 ConsumerApp consumer = new ConsumerApp(i,connection.createChanell());
 consumer.listen() }

listen() {
  try {
  channel.queueDeclare("test-queue-name", false, false, false, null);
  }
catch {
  System.out.println("Exception on creating Queue")
  }
Consumer consumer = new DefaultConsumer(this.channel) {
@Override
        public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                byte[] body) throws IOException {
            String message = new String(body, "UTF-8");
            System.out.println(" [x] Received Message in consumer '"+consumerId+" "+  message + "'");
        }
    };
 //Now starting the consumer
  try {
    channel.basicConsume(QUEUE_NAME, true, consumer);
   }
    catch (ShutdownSignalException | IOException ex) {
        ex.printStackTrace();
  }
 }