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Thread: Double Clicking JAR files

  1. #1
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    Jun 2011
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    Default Double Clicking JAR files

    I am confused... up until now, I have always either compiled jars into .exe using JSmooth or run jars from a batch file.

    However, I have read in several places that JAR files are supposed to be double-clickable? On my system, it just pops up with a command line and immediately goes away. Does anyone here know how (and if) you can make a jar file launch just from a click?

    I am running 64 bit Windows Vista with JRE 1.6_026

  2. #2
    Super Moderator Norm's Avatar
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    May 2010
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    Default Re: Double Clicking JAR files

    how (and if) you can make a jar file launch just from a click?
    On windows there are entries in the Registry that tell the OS what to do when a file with an extension is double clicked/openned. Many of the entries are command lines that the OS will execute when the file is double clicked.

    The java installation adds an entry for .jar files. Something like this:
    java -jar "%1"

    where %1 is replaced by the jar file name.

    It is possible to add your own command lines to the registry so that when you Right Click on a file, you get a list of choices of commandlines to execute.

    I have double click set on for my WinXP. I don't know if you can set the OS to execute a file with a single click. If an icon is placed in the Toolbar at the bottom of the screen, a single click will execute it.

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