RFR: 8311207: Cleanup for Optimization for UUID.toString [v14]

[Claes Redestad]

On Fri, 8 Sep 2023 23:49:04 GMT, Chen Liang <liach at openjdk.org> wrote:

>> src/java.base/share/classes/java/util/HexDigits.java line 66:
>> 
>>> 64:      */
>>> 65:     @Stable
>>> 66:     private static final short[] DIGITS;
>> 
>> Maybe it should be `char[]` instead since it’s encoded using unsigned 16‑bit integers.
>
> a char would confuse people that each char represents one character, while it represents 2 in fact.

@liach has a fair point. Either way it should be performance neutral.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14745#discussion_r1320498655