How to create a trial version of a Java program

Posted by tuxou on Stack Overflow See other posts from Stack Overflow or by tuxou
Published on 2010-05-04T22:29:54Z Indexed on 2010/05/04 22:48 UTC
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java

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trialware

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shareware

I'm coding a software on java and i almost finished, i would like to know how can we create a trial version which work for example for 30 days, because i will to send it to some companies

so how to make it like shareware or trialware, also can we block access to the .class in the jar file?

Thank you

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