<i18n dev> RFR: 8363925: Remove unused sun.nio.cs.ArrayEncoder::encode

[Roger Riggs]

On Mon, 27 Oct 2025 11:42:20 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

> [JDK-6636319] introduced `ArrayEncoder`, composed of _only_ `encode` method. Later on [JDK-8054307] (JEP 254: Compact Strings)  removed all its usages. This method can safely be removed, hence this PR. Confirmed that `tier1-2` tests are clear on several platforms after changes.
> 
> [JDK-6636319]: https://bugs.openjdk.org/browse/JDK-6636319
> [JDK-8054307]: https://bugs.openjdk.org/browse/JDK-8054307

test/jdk/sun/nio/cs/TestStringCoding.java line 295:

> 293:         return IntStream.range(0, bs.length)
> 294:                 .mapToObj(i -> String.format("0x%02X", bs[i] & 0xFF))
> 295:                 .collect(Collectors.joining(", ", "[", "]"));

fyi, java.util.HexFormat can do that too:
Suggestion:

        return "[" + HexFormat.ofDelimiter(", ").withPrefix("0x").formatHex(bs) + "]";

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PR Review Comment: https://git.openjdk.org/jdk/pull/27999#discussion_r2465949995