junit Problem

I have downloaded junit-4.3.1

n i'm trying to run the text editor but it is not working n this is the error that i'm getting

java -cp junit-4.3.1.jar;. junit.textui.TestRunner junit.samples.AllTests

Error: java.lang.ClassCastException: class junit.samples.AllTests

i have also added the jar file to the class path as well as the path variable

plz reply

[391 byte] By [gaurav_xmla] at [2007-11-27 10:04:59]