From: "Gan Uesli Starling" <oinkfreebiker@att.net>
> This is my FIRST Java program that I know of. Here is a paste-in from
> my .cshrc (bad 'wrap' is from mail prog)...
>
> set history=1000
> set path=(/sbin /usr/sbin /bin /usr/bin /usr/pkg/sbin /usr/pkg/bin
> /usr/pkg/java/bin /usr/X11R6/bin /usr/local/sbin /usr/local/bin)
>
> # stuff for vixaml-b8 package
> set JAVA_HOME=(/usr/pkg/java/bin)
> set SWING_HOME=(/usr/pkg/lib/java)
> set
>
CLASSPATH=${JAVA_HOME}/lib:${JAVA_HOME}/lib/classes.zip:${SWING_HOME}/swinga
ll.zip

You might want to try adding ${JAVA_HOME}/jre/{bin,lib} to your $CLASSPATH.
The JRE is the Java Runtime Environment and contains most of the packages
you need when you're running a Java app.