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ラムダのメソッド参照: 文字数でソートしたい場合はComparator.comparingIntを使用する #3

Closed LeoAndo closed 3 years ago

LeoAndo commented 3 years ago

issue #1

API https://docs.oracle.com/javase/jp/8/docs/api/java/util/Comparator.html#comparingInt-java.util.function.ToIntFunction-

実行結果

sorted names: a
sorted names: ab
sorted names: abc
sorted names: abcd

Process finished with exit code 0