public void test2() {     // Prepare our context and publisher     ZMQ.Context context = ZMQ.context(1);     ZMQ.Socket publisher = context.socket(ZMQ.PUB);     publisher.bind("tcp://*:5563");     while (true) {       // Write two messages, each with an envelope and content       publisher.send("A".getBytes(), ZMQ.SNDMORE);       publisher.send("We don't want to see this".getBytes(), 0);       publisher.send("B".getBytes(), ZMQ.SNDMORE);       publisher.send("We would like to see this".getBytes(), 0);       Thread.sleep(1000);     }   }