RFR: 8186958: Need method to create pre-sized HashMap [v4]

[XenoAmess]

On Wed, 23 Mar 2022 21:04:52 GMT, liach <duke at openjdk.java.net> wrote:

>> XenoAmess has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   use jmh Blackhole
>
> test/jdk/java/util/Collections/CalculateHashMapCapacityTestJMH.java line 42:
> 
>> 40: public class CalculateHashMapCapacityTestJMH {
>> 41: 
>> 42:     private void consume(int tmp) {
> 
> You should pass a jmh Blackhole object in the parameter of test methods and call its consume method. jmh will automatically pass the blackhole. This one will be eliminated as dead code.

@liach done.

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PR: https://git.openjdk.java.net/jdk/pull/7928