RFR: 8368178: Add specialization of SequencedCollection methods to emptyList, singletonList and nCopies [v2]

[Roger Riggs]

On Sun, 21 Sep 2025 10:31:06 GMT, Tagir F. Valeev <tvaleev at openjdk.org> wrote:

>> Please review this small change. If you have more ideas which classes may miss specializations of SequencedCollection methods, I can add them to this PR as well.
>
> Tagir F. Valeev has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Remove extra asterisk to prevent jtreg comment from being parsed as javadoc
>  - JDK-8368178 Add specialization of SequencedCollection methods to emptyList, singletonList and nCopies

Changes requested by rriggs (Reviewer).

src/java.base/share/classes/java/util/Collections.java line 4948:

> 4946:         @Override
> 4947:         public List<E> reversed() {
> 4948:           return this;

Java indentation is 4 spaces.  tnx.

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PR Review: https://git.openjdk.org/jdk/pull/27406#pullrequestreview-3253643932
PR Review Comment: https://git.openjdk.org/jdk/pull/27406#discussion_r2369086501