JRun Writing results back to the client

Working with special characters
Setting headers
Using the PrintWriter
Using the ServletOutputStream
http://livedocs.adobe.com/jrun/4/Programmers_Guide/techniques_servlet10.htm

Writing out to files

Writing to the web application's root directory

Writing to the web application's temporary directory

http://livedocs.adobe.com/jrun/4/Programmers_Guide/techniques_servlet11.htm