On Wed, 11 Jan 2023 19:34:39 GMT, Raffaello Giulietti <rgiulie...@openjdk.org>
wrote:
>> This change transforms a O(n^2) path to O(n) when prepending zero padding to
>> decimal outputs, where n is the length of the padding.
>
> Raffaello Giulietti has updated the pull request incrementally with one
> additional commit since the last revision:
>
> 8299677: Formatter.format might take a long time to format an integer or
> floating-point
src/java.base/share/classes/java/util/Formatter.java line 4600:
> 4598: // apply zero padding
> 4599: if (width > sb.length() && Flags.contains(f,
> Flags.ZERO_PAD)) {
> 4600: String zeros = Character.toString(zero).repeat(width -
> sb.length());
`Character.toString(zero)` could be replaced with `String.valueOf(zero)` saving
one more method call
-------------
PR: https://git.openjdk.org/jdk/pull/11939
