Library method to partition a collection by a predicate

Question

I have a collection of objects that I would like to partition into two collections, one of which passes a predicate and one of which fails a predicate. I was hoping there wo

Answer 1

With the new java 8 features(stream and lambda epressions), you could write:

List words = Arrays.asList("foo", "bar", "hello", "world");

Map> partitionedMap =
        words.stream().collect(
                Collectors.partitioningBy(word -> word.length() > 3));

System.out.println(partitionedMap);