On Sat, 21 Jan 2023 21:01:48 GMT, Sergey Tsypanov <[email protected]> wrote:
> Currently it's O(n) - we do `n` shifts of bytes within `StringBuilder`. This
> can be reduced to O(1) improving the code like:
>
> DateTimeFormatter dtf = new DateTimeFormatterBuilder()
> .appendLiteral("Date:")
> .padNext(20, ' ')
> .append(DateTimeFormatter.ISO_DATE)
> .toFormatter();
> String text = dtf.format(LocalDateTime.now());
This pull request has now been integrated.
Changeset: 561ec9c5
Author: Sergey Tsypanov <[email protected]>
Committer: Roger Riggs <[email protected]>
URL:
https://git.openjdk.org/jdk/commit/561ec9c5a06e5baeb0cf72463d14d1d720facb13
Stats: 84 lines in 2 files changed: 83 ins; 0 del; 1 mod
8300818: Reduce complexity of padding with DateTimeFormatter
Reviewed-by: redestad, rriggs
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PR: https://git.openjdk.org/jdk/pull/12131
