executable programs in JAR

From: Kova (kova_at_hi.htnet.hr)
Date: 06/27/04 

Date: Sun, 27 Jun 2004 01:17:21 +0200

Hello.
I wrote a program that I want to put in a executable jar archive. How do I
do that? Program has 2 classes in a package. I tried something like
"jar -cfv program.jar class1.class class2.class" but it I got error that
main class cannot be found. How can I specify the main class? Tnx. 

--
Kova