RFR: 8260506: VersionHelper cleanup

[Claes Redestad]

On Wed, 27 Jan 2021 15:32:58 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Some small modernizations and cleanups that ultimately help startup of apps using JNDI/InitialContext
>
> Marked as reviewed by alanb (Reviewer).

@AlanBateman @dfuch @AlekseiEfimov - thanks for reviewing!

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PR: https://git.openjdk.java.net/jdk/pull/2259