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import java.util.List; import java.util.Map; import java.util.stream.Stream; import java.util.stream.Collectors; public class Test{ public static void main(String...s){ List<Integer> collected = Stream.of(1,2,3,4,5,6,7).collect(Collectors.toList()); Map<Boolean,List<Integer>> divided = collected.stream().collect(Collectors.partitioningBy(e -> e>5)); System.out.println(divided.get(true)); System.out.println(divided.get(false)); } }