java stream Collectors.partitioningBy #java #stream #partitioningBy

StreamPartitioningBy.java

Stream<Integer> stream = Stream.of(1,2,3,4);

Map<Boolean, List<Integer>> patition = stream.collect(Collectors.partitioningBy(s -> (s % 2) == 0));

List<Integer> oddList = patition.get(false);
System.out.println(oddList);

List<Integer> evenList = patition.get(true);
System.out.println(evenList);