<i18n dev> RFR: 8299677: Formatter.format might take a long time to format an integer or floating-point

[Raffaello Giulietti]

On Wed, 11 Jan 2023 10:47:03 GMT, Raffaello Giulietti <rgiulietti at 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.

Since specific tests for padding seem lacking, I'll add some as part of this PR.
Please expect another commit before marking as reviewed.

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PR: https://git.openjdk.org/jdk/pull/11939