Are you working with multiple devices like iPhone, Android and Web, then take a look at this post that explains you how to develop a RESTful API in Java. Representational state transfer (REST) is a software system for distributing the data to different kind of applications. The web service system produce status code response in JSON or XML format. Read …
via 9lessons Programming Blog:
RESTful Web Services API using Java and MySQL

For more info: RESTful Web Services API using Java and MySQL