概要 与えられたListを任意の数の要素ごとに複数のListに分割する OracleのIN句のように一度に処理できる要素数に上限がある場合に有効 Java 8の場合 Java 8ではストリームAPIを活用しリストを分割する import java.util.Collections; import java.util.List; import java.util.stream.Collectors; import java.util.stream.IntStream; public class CollectionUtils { public static <T> List<List<T>> chunk(List<T> list, int size) { if (list == null || list.isEmpty() || size <= 0) { return Collections
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