• http://www.roseindia.net/xml/dom/

Use this site as a simple introduction on how to write a XML file to a standard output.

• http://www.java2s.com/Code/Java/XML/XMLTreeDumper2.htm

This example shows you how to input XML file to DOM in memory and write to standard output.

• http://java.sun.com/webservices/jaxp/dist/1.1/docs/tutorial/dom/index.html

This is a good tutorial on DOM