> 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());

Sergey Tsypanov has updated the pull request with a new target base due to a 
merge or a rebase. The incremental webrev excludes the unrelated changes 
brought in by the merge/rebase. The pull request contains two additional 
commits since the last revision:

 - Merge branch 'master' into dtfb
 - Improve padding of DateTimeFormatter

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/12131/files
  - new: https://git.openjdk.org/jdk/pull/12131/files/b2160f8c..322ae9b4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12131&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12131&range=00-01

  Stats: 95 lines in 17 files changed: 34 ins; 0 del; 61 mod
  Patch: https://git.openjdk.org/jdk/pull/12131.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12131/head:pull/12131

PR: https://git.openjdk.org/jdk/pull/12131

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