public static void main(String[] args) {            Student st = new Student("Adriana", "Barrer", 12, 9);            ClientConfig clientConfig = new DefaultClientConfig();            clientConfig.getFeatures().put(                    JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);            Client client = Client.create(clientConfig);            WebResource webResource = client                    .resource("http://localhost:8080/JerseyJSONExample/rest/jsonServices/send");            ClientResponse response = webResource.accept("application/json")                    .type("application/json").post(ClientResponse.class, st);            if (response.getStatus() != 200) {                throw new RuntimeException("Failed : HTTP error code : "                        + response.getStatus());            }            String output = response.getEntity(String.class);            System.out.println("Server response .... \n");            System.out.println(output);    }

    @POST    @Path("/send")    @Consumes(MediaType.APPLICATION_JSON)    public Response consumeJSON( Student student ) {        System.out.println("student :"+student);        System.out.println("student content:"+student.getFirstName());        String output = student.toString();        return Response.status(200).entity(output).build();    }