Packaging applications with JVM version restrictions

[Rob Browning <rlb@defaultvalue.org>]

Is there Is there a policy or preferred way to handle a package that
needs a particular version or versions of java?  e.g. say it doesn't
work with < 9.

I could imagine it might not want to just rely on /usr/bin/java because
you might not want it to break if the system has 8 and 11 installed, and
then the local admin changes the default to 8 via update-alternatives.

To avoid that, I imagine the application's /usr/bin/something could
examine $(update-alternatives --list java) to find a suitable version,
but is that reasonable, or is there a preferable approach?

Thanks
-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
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