Sun told me my jar file was corrupt.
I don't know what's wrong with me. I send a jar file using "jar -cvf d:\scjda-740175566.jar d:\FBN".
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Grade: F
Score: 0
Comment: Your submission zip or jar archive file as we received it was corrupt. Please submit it again. You will not be charged for this. If you have any questions, please send email, with a copy of this comment, to
who2contact@central.sun.com Don't worry if your grade appears to be "fail". That is just a database side effect.
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Could anyone tell me what should i do?