What is the best place to store a configuration file in a Java web application (WAR)?

Question

I create a web application (WAR) and deploy it on Tomcat. In the webapp there is a page with a form where an administrator can enter some configuration data. I don\

Answer 1

I would not store it in the application folder, because that would override the configuration with a new deployment of the application.

I suggest you have a look at the Preferences API, or write something in the users folder (the user that is running Tomcat).