RFR: 8284780: Need methods to create pre-sized HashSet and LinkedHashSet [v17]

[Naoto Sato]

On Fri, 27 May 2022 18:40:32 GMT, XenoAmess <duke at openjdk.java.net> wrote:

>> as title.
>
> XenoAmess has updated the pull request incrementally with one additional commit since the last revision:
> 
>   do it as naotoj said

Reviewed i18n-related changes and they look good. One minor suggestion in `Calendar`, but that can be applied later.

src/java.base/share/classes/java/util/Calendar.java line 2648:

> 2646:             set.add("gregory");
> 2647:             set.add("buddhist");
> 2648:             set.add("japanese");

This can be replaced with `SET = Set.of("gregory", "buddhist", "japanese");`.

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Marked as reviewed by naoto (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8302