The text for the XML portion of the class is on-line
Here it is Read Part I for this class and Part III for the next.
Here is another superb on-line xml reference.
Here is a complete on-line text on this material. Processing XML with Java by Elliotte Rusty Harold http://www.cafeconleche.org/books/xmljava I don't expect you to read the whole thing, but it is a good reference if you want to learn more about xml.
Here is the xml example that I used in class