How to know the current jvm name executable ?

Hi,
I should want know what is the current jvm executable, from a java program. For exemple c:\foo\bar\bin\java.exe, or /home/foo/bar/java_1.6/jre/bin/java and other.
With system properties, I can know java home, version, vendor etc of JVM, but how I can know "bin\java.exe" or other ?
Thanks.

Yes.
I see java.runtime.name=Java(TM) SE Runtime Environment, I see the classpath, I see java.runtime.version=1.6.0_14-b08, I see java.home=/home/herve/java/jdk1.6.0_14/jre, but I don't see the name of java programme.
For me it is something like {java.home}/bin/java. I don't see that in system properties.

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