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Eclipseでフォーマット機能を指定箇所だけオフ

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Eclipse IDE for Enterprise Java Developers 2019-06 (4.12.0)で確認。

Window -> Preferences -> Java -> Code Style -> Formatter -> Edit -> Off/On Tagsを開いてEnable Off/On tagsにチェックを入れる。
eclipse-off-format.jpg

ソースコードで、フォーマットのOFF開始が//@formatter:off、ONで再開させるのに//@formatter:onを使用する。以下のような感じ。

//@formatter:off
list
  .stream()
  .filter(s -> s.endsWith(".txt"))
  .map(s -> NumberUtils.toInt(s))
  .collect(Collectors.toList());
//@formatter:on
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