What is the closest to ConcurrentHashMap and NavigableMap in Java?

[Dicebot]

On Friday, 15 November 2013 at 17:03:15 UTC, ilya-stromberg wrote:
> I don't know any D implementation of Readers-writer lock, but 
> you can ask this question - maybe it already exist.

http://dlang.org/phobos/core_sync_rwmutex.html