This is like using an Object[], but with names and no second level of boxing…
> On Nov 16, 2017, at 4:10 AM, John Rose <john.r.r...@oracle.com> wrote: > > On Nov 15, 2017, at 5:15 PM, Remi Forax <fo...@univ-mlv.fr > <mailto:fo...@univ-mlv.fr>> wrote: >> >> List<String> list = List.of("hello", "world!"); >> Map<Integer, String> map = list.stream() >> .map(s -> new Object() { int key = s.length(); String value = s; }) >> .collect(Collectors.toMap(t -> t.key, t -> t.value)); >> System.out.println(map); >> >> so i guess 'leaking' the type of an anonymous class is not an issue. > > That's cool; I didn't know Java had anonymous tuples!!!
