using kaffe

[kaffe@rufus.w3.org]

Hi list.

Sorry for the simplicity of this question, but, what do I need
to tell Kaffe to execute my classes?  I use Debian stable, and
kaffe 1.0.5.

kaffe exper.class

produces 

java.lang.NoClassDefFoundError: exper/class
        at java.lang.Throwable.<init>(Throwable.java:38)
        at java.lang.Error.<init>(Error.java:21)
        at java.lang.LinkageError.<init>(LinkageError.java:21)
        at java.lang.NoClassDefFoundError.<init>(NoClassDefFoundError.java:21)

Do I have to set environment variables, etc?
btw, I use jikes to compile.

Thanks for any help!

signature indignant: "hey!"
-tom