send: 
 Message msg = new Message (/ / 
                //  Topic Topic 
                "RocketMQ_test_by_bsy",
                // Message Tag,
                //  Gmail  Consumer  MQ 
                "TagA",
                // Message Body
                //  MQ 
                //  Producer  Consumer 
                "Hello MQ".getBytes()); accept: 
 Consumer consumer = ONSFactory.createConsumer (properties); 
    consumer.subscribe("RocketMQ_test_by_bsy", "*", new MessageListener() {
        public Action consume(Message message, ConsumeContext context) {
            System.out.println("Receive: " + message);
            return Action.CommitMessage;
        }
    });