ConcurrentHashMap with weak keys and identity hash?

Question

How do I get a ConcurrentHashMap with weak keys and identity hashes in Java? I think Google Guava Collections can give such a thing, but can I get it from the s

Answer 1

The Google Guava implementation appears the easiest way to go. One may initialize the required map with new MapMaker().weakKeys().makeMap() and use just as one would use java.util.concurrent.ConcurrentHashMap. See the apidoc for more details.