Exception in thread "main" java.lang.UnsupportedClassversion error.

hi,

I am having the JDk and jre versions in C: drive

i am jdk version 1.5.0

but when i am running the command version it is showing 1.4.2_03 version and also i am having the oracle 10g on my system.

tried seeting classpath also but no success.

I am trying to run a simple helloworld program.while compiling there seems to be no problem..

But while running the program i am encountring the following error.

Exception in thread "main" java.lang.UnsupportedClassversion error.

can someone help me regarding this

[563 byte] By [vikingbalia] at [2007-10-3 0:10:46]