Webservices. RESTful Java Web Services: Safari Books Online - Premium. Java 7 JAX-WS Web Services: Safari Books Online - Premium. Java Web Services Architecture: Safari Books Online - Premium. RESTful Web Services. Building RESTful Web Services with JAX-RS - The Java EE 6 Tutorial. REST API Tutorial. REST with Java (JAX-RS) using Jersey. Jersey contains a REST client library which can be used for testing or to build a real client in Java. The usage of this library is demonstrated in the following tutorial. Create a new Java gradle project with com.vogella.jersey.first.client as top-level package name and add following dependency to your build.gradle file to import the Jersey dependencies.