On Tue, 3 Oct 2023 21:37:46 GMT, 温绍锦 <[email protected]> wrote:
> j.u.Formatter now prints "%tF" (iso standard date) and the result is
> incorrect when processing year < 0 or year > 9999
When String.format handles "%tF" Specifier, it uses the same behavior as
DateTimeFormatter. This will cause the value of printed year to be incompatible
with the previous behavior.
The year value range [-∞, -1000] changes:
// String.format("%tF", LocalDate.of(-10000, 1, 1))
before 10001-01-01
after -99999-01-01
The year value range [-9999, -1] changes:
// String.format("%tF", LocalDate.of(-1, 1, 1))
before 0002-01-01
after -0001-01-01
The year value range [-∞, -1000] changes:
//String.format("%tF", LocalDate.of(10000, 1, 1)):
before 10000-01-01
after +10000-01-01
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PR Comment: https://git.openjdk.org/jdk/pull/16033#issuecomment-1753981207
