JsonPoster.java

package com.godoro.restclient;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;

public class JsonPoster {

  public static void main(String[] args) {
    Client client = ClientBuilder.newClient();
    WebTarget target = client
            .target("http://localhost:8080/RestServices/inventory")
            .path("product");

    String string = "{ "
            + "\"productId\" : 203,"
            + "\"productName\": \"Fritöz\","
            + "\"salesPrice\" : 130"
            + "}";
    target.request().post(
            Entity.entity(string, MediaType.APPLICATION_JSON_TYPE),
            Void.class);

  }
}