public class Client {
   public static void main(String[] args) {
      if(args.length != 2) {
         System.out.println("Usage: vbj Client <carrier-name> <aircraft-name>\n");
         return;
      }

      String carrierName = args[0];
      String aircraftName = args[1];
      org.omg.CORBA.Object carrier = null;
      org.omg.CORBA.Object aircraft = null;

      org.omg.CORBA.ORB orb = null;
      try {
          orb = org.omg.CORBA.ORB.init(args, null);
      }
      catch (org.omg.CORBA.SystemException se) { 
         System.err.println("ORB init failure " + se); 
         System.exit(1); 
      }

      { // scope
         try {
            carrier = orb.bind("IDL:Ship/AircraftCarrier:1.0", carrierName, null, null);
         }
         catch (org.omg.CORBA.SystemException se) { 
            System.err.println("ORB init failure " + se); 
            System.exit(1); 
         }
         org.omg.CORBA.Request request = carrier._request("launch");
         request.add_in_arg().insert_string(aircraftName);
         request.set_return_type(orb.get_primitive_tc(org.omg.CORBA.TCKind.tk_objref));
         request.invoke();
         aircraft = request.result().value().extract_Object();
      }

      { // scope
         org.omg.CORBA.Request request = aircraft._request("codeNumber");
         request.set_return_type(orb.get_primitive_tc(org.omg.CORBA.TCKind.tk_string));
         request.invoke();
         String designation = request.result().value().extract_string();
         System.out.println ("Aircraft " + designation + " is coming your way");
      } 

      { // scope
         org.omg.CORBA.Request request = aircraft._request("attitude");

         int altitude = 10000;
         org.omg.CORBA.Any ioAltitude = request.add_inout_arg();
         ioAltitude.insert_long(altitude);

         String direction = "headup";
         request.add_in_arg().insert_string(direction);
         request.invoke();

         altitude = ioAltitude.extract_long();