RFR: 8276220: Reduce excessive allocations in DateTimeFormatter [v3]

Wed Nov 3 13:26:16 UTC 2021

On Wed, 3 Nov 2021 12:17:09 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> src/java.base/share/classes/java/time/format/DateTimeFormatterBuilder.java line 3544:
>> 
>>> 3542:             BigDecimal valueBD = BigDecimal.valueOf(value).subtract(minBD);
>>> 3543:             BigDecimal fraction = valueBD.divide(rangeBD, 9, RoundingMode.FLOOR);
>>> 3544:             // stripTrailingZeros bug
>> 
>> I believe this bug was fixed a while back, so this code could be simplified.
>
> Got a reference to which bug this was and how it manifests?

If you're referring to JDK-6480539: "BigDecimal.stripTrailingZeros() has no effect on zero itself ("0.0")", it was fixed in JDK 8.

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PR: https://git.openjdk.java.net/jdk/pull/6188