RFR: 7903328: Introduce a new method 'clear' in interface 'Multiset' [v2]

[Guoxiong Li]

On Mon, 26 Sep 2022 09:09:06 GMT, Guoxiong Li <gli at openjdk.org> wrote:

>> Hi all,
>> 
>> This patch adds a method named `clear` in interface `Multset` and implements the method in its sub-class. A corresponding test case is added and all the test passed locally.
>> 
>> Thanks for taking the time to review.
>> 
>> Best Regards,
>> -- Guoxiong
>
> Guoxiong Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove null check.

Thanks for the review.

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PR: https://git.openjdk.org/jmh/pull/81