RFR: 8341566: Add Reader.of(CharSequence) [v3]

[Markus KARG]

On Tue, 8 Oct 2024 09:06:42 GMT, Markus KARG <duke at openjdk.org> wrote:

>> I believe this batch operation would be a useful addition, but it is best reserved for another RFE.
>
> Agree to Chen. As I already wrote in [the RFE](https://bugs.openjdk.org/browse/JDK-8341566):
>>As this option is not essentially needed, and as it implies deeper thought and discussion, this option is explicitly EXCLUDED from this current enhancement request. We can pick it up later in a subsequent enhancement request.

I just filed the PR to implement `CharSequence.getChars` bulk-read method. Please see https://github.com/openjdk/jdk/pull/21730. 🙂

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PR Review Comment: https://git.openjdk.org/jdk/pull/21371#discussion_r1817876910