EJB and Web Services
This chapter will explain Web Services, introduce the core Web Services standards (SOAP, WSDL, UDDI, XML), and discuss the evolution of Web Services support in the Java EE platform. We will also drill down into how you can publish EJB stateless session beans as Web services. Finally, we will discuss how to invoke the published Web service from a command-line Java client program and a stateless session bean.
What Are Web Services?
Web services fundamentally constitute a kind of business logic or functionality available in an application or module and are exposed via a service interface to a client application (commonly ...