----- Mail original ----- > De: "Stephen Colebourne" <scolebou...@joda.org> > À: "core-libs-dev" <core-libs-dev@openjdk.java.net> > Envoyé: Vendredi 9 Octobre 2015 15:11:47 > Objet: Re: RFC: draft API for JEP 269 Convenience Collection Factories > > On 9 October 2015 at 00:39, Stuart Marks <stuart.ma...@oracle.com> wrote:
[...] > > 2. Other concrete collection factories. > > > > I've chosen to provide factories for the concrete collections ArrayList, > > HashSet, and HashMap, since those seem to be the most commonly used. Is > > there a need to provide factories for other concrete collections, such as > > LinkedHashMap? > > LinkedHashMap definitely > LinkedList definitely not (as its very slow and use should not be > encouraged). > TreeSet/TreeMap, maybe, they'd need an extra parameter though. There is an issue with LinkedHashMap (resp LinkedHashSet), it inherits from HashMap /facepalm/, and static methods are accessible through class inheritance /facepalm/. So if LinkedHashMap doesn't declare some methods of(), LinkedHashMap.of("foo") will return a HashMap :( cheers, Rémi