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Getting version of JavaVM?

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Getting version of JavaVM?

Subject: Getting version of JavaVM?
From: Joseph Kelly <email@hidden>
Date: Fri, 31 Mar 2006 15:43:40 -0800

Hello,

I've got a third party library that runs a Java program in a VM that it creates. Unfortunately, it only works with Java 1.4 and higher (and intermittently crashes on 1.3 or less), and not all of our target users' systems will have 1.4 installed (i.e. 10.2.8) So basically, before loading this library, I need to find which Java version is installed on the Mac.

So far I have not found any documentation which indicates how to do so using a clean api call. Some options I've thought of are running fork/exec "java -version", looking for directories that match /System/ Library/Frameworks/JavaVM.framework/Versions/1.4*, etc -- both these solutions are fine, but I'd rather use a nice clean C or Obj-C api.

Thanks in advance,

Joe K.


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