RFR: JDK-8281082: Improve javadoc references to JOSS

Tue Feb 1 21:48:11 UTC 2022

On Tue, 1 Feb 2022 21:11:39 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> The references to JOSS, the Java Object Serialization Specification, are not done consistently in the API javadoc. This should be improved.
> 
> I'll update copyright years before pushing.

Marked as reviewed by naoto (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7315