RFR: 8364213: (bf) Improve java/nio/Buffer/GetChars.java test comments [v4]

[Alan Bateman]

On Thu, 31 Jul 2025 16:17:55 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Brett Okken has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   whitespace
>
> [JDK-8364345](https://bugs.openjdk.org/browse/JDK-8364345) tracks an intermittent failure with the test where CharBufferAsCharSequenceTest.randomizeRange fails.

> @AlanBateman [JDK-8364345](https://bugs.openjdk.org/browse/JDK-8364345) was fixed in [5ec88b8](https://github.com/openjdk/jdk/commit/5ec88b87cf525d5ac19147b28e98f225f9f67deb)
> 
> The problem was when a `CharBuffer` which had already had a random range applied was sliced and then randomized again. 

Good, it means we can close the other issue once the test update goes in.

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PR Comment: https://git.openjdk.org/jdk/pull/26512#issuecomment-3144428710