The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases.
The following links provide further useful information about the technologies presented in this lesson.
For further information on the SAX standard, see the SAX standard page:
For more information on the StAX pull parser, see:
For more information on schema-based validation mechanisms, see
http://www.ascc.net/xml/resource/schematron/schematron.html.