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

seems like a good job for the new Java 12 Collectors::teeing

var dividedStrings = Stream.of("foo", "hello", "bar", "world")
            .collect(Collectors.teeing(
                    Collectors.filtering(s -> s.length() <= 3, Collectors.toList()),
                    Collectors.filtering(s -> s.length() > 3, Collectors.toList()),
                    List::of
            ));
System.out.println(dividedStrings.get(0)); //[foo, bar]
System.out.println(dividedStrings.get(1)); //[hello, world]