How to run my class without SDK

hi,
I wrote a swing application. I created myclass.class
Now I want to send it to my friend so they will be able to run this and use it.
I tried to test this on computer that doesn't have SDK but has only JRE (latest version).
I put the class is in folder c:\test
when I run the cmd:
java -cp c:\temp myclass
or
javaw -cp c:\temp myclass
(I tried also
"C:\Program Files\Java\j2re1.4.2_06\bin\java.exe" -cp c:\temp myclass
again - nothing happens!!!)
nothing happens!!!!
my question:
How can I run my application on computers that has only JRE?
Please help.
Thanks

OK - problem solved.
due to path ver - it used the wrong class.
Thanks any way - and have a nice weekend.

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