RFR: 8263358: Update java.lang to use instanceof pattern variable [v3]

[Iris Clark]

On Thu, 11 Mar 2021 16:42:24 GMT, Patrick Concannon <pconcannon at openjdk.org> wrote:

>> Hi,
>> 
>> Could someone please review my code for updating the code in the `java.lang` package to make use of the `instanceof` pattern variable?
>> 
>> Kind regards,
>> Patrick
>
> Patrick Concannon has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8263358: Refactored equals methods

Marked as reviewed by iris (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2913