RFR: 8312019: Simplify and modernize java.util.BitSet.equals

Wed Jul 19 15:08:05 UTC 2023

On Thu, 13 Jul 2023 10:50:30 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

> Please review this PR to use modern APIs and language features to simplify equals for BitSet. 
> 
> I couldn't see how to refactor hashCode using Arrays utility methods in a way that preserves its specification. So, aside from refactoring its doc comment and annotating it with `@Overrides`, I left it intact.

BitSet#equals again demonstrates the brittleness of inheritance - it requires subclasses of BitSet to maintain the same private representation. (don't try to fix it!)

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Marked as reviewed by martin (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14868#pullrequestreview-1537320980