On 26/03/15 14:32, Daniel Fuchs wrote:
The enumeration of keys returned from the map will be iterated outside of any synchronized block. ConcurrentHashMap makes this safe.
I'm happy to report that the test in the webrev [1] fails in ConcurrentModificationException if HashMap is used instead of ConcurrentHashMap :-) best regards -- daniel [1] http://cr.openjdk.java.net/~dfuchs/webrev_7113878/webrev.00
