RFR [9] 8150162: Move sun.misc.Version to a truly internal package

David Holmes david.holmes at oracle.com
Mon Feb 22 00:45:09 UTC 2016

Hi Chris,

Hotspot and JDK changes seem fine to me.


On 19/02/2016 1:52 AM, Chris Hegarty wrote:
> sun.misc.Version is the core libraries part of a private interface with the
> JVM to query and set specific JVM version and capabilities, as well as
> being responsible for setting the system properties for  "java.version”,
> "java.runtime.version", and "java.runtime.name" ( which are generated
> during the build ).
> It is not a "Critical API", as defined by JEP 260, so should be moved
> out of sun.misc and placed into a more appropriate package where it
> can be encapsulated.
> Version is only used by j.l.System during initialization, so I’ve taken the
> liberty of moving it into java.lang as package-private. It could, however,
> be placed in jdk.internal.misc, if it is more generally useful. That said,
> most other usages should be able to use the JDK specific Version API.
> http://cr.openjdk.java.net/~chegar/8150162/
> https://bugs.openjdk.java.net/browse/JDK-8150162
> -Chris.
> P.S. 8150163 & 8150168 are in progress to replace unnecessary usages
> of sun.misc.Version with the JDK specific Version.

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