jar tool search utility...

[Chris Graham <chris@chaffee.com>]

I can never remember which JAR file has the class I need, and I always end 
up searching through all the classes inside the jar files until I find 
it.  I was wondering if anyone knew if there was a way to lookup a class to 
see what jar file it was a part of...or some utility that would search all 
the jar files in a directory, and return the JAR file name that contains 
the class I'm looking for?

Thanks,

--Chris