Request-reply client in Java

import org.zeromq.ZMQ;
import org.zeromq.ZMQ.Context;
import org.zeromq.ZMQ.Socket;

/**
* Hello World client
* Connects REQ socket to tcp://localhost:5559
* Sends "Hello" to server, expects "World" back
*
* Christophe Huntzinger <chuntzin_at_wanadoo.fr>
*/
public class rrclient{
public static void main (String[] args) {
Context context = ZMQ.context(1);

// Socket to talk to server
Socket requester = context.socket(ZMQ.REQ);
requester.connect("tcp://localhost:5559");

System.out.println("launch and connect client.");

for (int request_nbr = 0; request_nbr < 10; request_nbr++) {
requester.send("Hello".getBytes(), 0);
byte[] reply = requester.recv(0);
String replyValue = new String(reply);
System.out.println("Received reply "+request_nbr+" ["+replyValue+"]");
}

// We never get here but clean up anyhow
requester.close();
context.term();
}
}