How to run java file from bat

Hello!

I have one java class that do import to javax.comm.

Then i try to run this java class i get the exception.

I do the next:

C:\java\classes> java comPortPack.comPort

Exception in thread "main" java.lang.NoClassDefFoundError: javax/comm/UnsupportedCommOperationException

What i need to do for run this class?

Thanks.

[373 byte] By [aver35a] at [2007-11-26 18:53:00]