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

*/
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", 0);
String reply = requester.recvStr(0);
System.out.println("Received reply " + request_nbr + " [" + reply + "]");
}

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