What is difference between J2EE 1.3 and J2EE 1.4?
J2EE 1.4 is an enhancement version of J2EE 1.3. It is the most complete Web services platform ever. J2EE 1.4 includes: • Java API for XML-Based RPC (JAX-RPC 1.1) • SOAP with Attachments API for Java (SAAJ), • Web Services for J2EE(JSR 921) • J2EE Management Model(1.0) • J2EE Deployment API(1.1) • Java Management Extensions (JMX), • Java Authorization Contract for Containers(JavaACC) • Java API for XML Registries (JAXR) • Servlet 2.4 • JSP 2.0 • EJB 2.1 • JMS 1.1 • J2EE Connector 1.5 The J2EE 1.4 features complete Web services support through the new JAX-RPC 1.1 API, which supports service endpoints based on Servlets and enterprise beans. JAX-RPC 1.1 provides interoperability with Web services based on the WSDL and SOAP protocols. The J2EE 1.4 platform also supports the Web Services for J2EE specification (JSR 921), which defines deployment requirements for Web services and utilizes the JAX-RPC programming model. In addition to numerous Web services APIs, J2EE 1.4 platform also features