Free Java Web Services Resources
Introduction to Web Services
This is the Web Services section of the Java EE 6 tutorial. The whole tutorial can be downloaded in pdf format.
Developing Web Services Applications
This IBM Redpaperpublication introduces the concept of a service-oriented architecture (SOA). The intended audience is web developers interested in SOA. It explains how to realize this type of an architecture using the following Java Enterprise Edition (Java EE 6) web services specifications. Available in epub or pdf format.
Interactive Web Services with Java
JSP, Servlets, JWIG, SOAP, WSDL, UDDI
Java and Web Services Primer
This article examines traditional approaches to electronic collaboration, shows the various system services required to solve collaboration problems, and examines how Web Services and J2EE provide these services.
The Java Web Services Tutorial
A beginner's guide to developing Web services and Web applications on the Java Web Services Developer Pack.