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  1. #1
    nishant.4545 is offline Member
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    Jul 2009
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    Default problem with output of jar file

    Hello everyone
    I have written a simple program that displays Hello. Then I have created its jar file using the following command:

    jar -efc Hello Hello.jar Hello.class

    The jar file runs well in the command prompt by using the following command:

    java -jar Hello.jar

    But when I double click the jar file, nothing happens. No output is displayed. How can I make the jar file run simply by double clicking it?

  2. #2
    OrangeDog's Avatar
    OrangeDog is offline Senior Member
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    Jan 2009
    Cambridge, UK
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    Your system must be configured to execute jar files like this. If on Windows, a file association is required. Try reinstalling Java and it should be set up automatically.

    If this is just a console application, it is likely that the command window appears and disappears before you can see it, as the program is so short.
    Don't forget to mark threads as [SOLVED] and give reps to helpful posts.
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  3. #3
    angryboy's Avatar
    angryboy is offline Senior Member
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    Jan 2009
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    When your problem is solved, please mark it as SOLVED using the threads's tools below the google ads.
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