My java programe does not work

Hi
I createda java programme with jdeveloper . I compiled my code in all of version (1.3, 1.4, 1.5, 1.6 and default).
But when i try to run my programme in other computers that have j2SE Runtime Environment 5.0 update 11, or java Runtime 2 Environment SE 1.3 - 1.4,
my programme doesnot work.
how can i fix this problem.

Which Jdev version?
What exactly do you mean by 'does not work'?
Timo

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