Description: This rich, simple standard extension API gives enterprises what they need to develop topnotch Java Web services by Sameer Tyagi October 2002 Issue T he Java XML (JAX) Pack provides the core set of APIs that facilitate the building of Web services in Java. The JAX Pack is a set of Java APIs that includes the Java APIs for XML Processing (JAXP) and Messaging (JAXM), the Java API for XML-based RPC (JAX-RPC), SOAP with Attachments API for Java (SAAJ) and Java API for XML Registries (JAXR).