Setting JAVA_HOME In Fedora 10 Snapshot 3

[Robert L Cochran]

I'm confused about whether I need to set JAVA_HOME as an environment
variable when I log in to a Fedora 10 Snapshot 3 box and if so where
should I point it to? E.g.

JAVA_HOME=????

If I use Tomcat then I do need JAVA_HOME set?

Thanks

Bob Cochran