Sun Microsystems provides several tools that make the Java Web Services shown in this book possible. The most important of these downloads is Java, but the Java Activation Framework and JavaMail are also important.
The author used Version 1.4.0 to compile the examples found in the book.
The JavaBeans Activation Framework is required by both Apache SOAP and Axis.
An API that allows you to send attachments and manipulate e-mail through Java. Axis uses this to send attachments through SOAP messages.