public void removeAllZeros ( ) { Iterator < Map . Entry < K , AtomicLong > > entryIterator = map . entrySet ( ) . iterator ( ) ; while ( entryIterator . hasNext ( ) ) { Map . Entry < K , AtomicLong > entry = entryIterator . next ( ) ; AtomicLong atomic = entry . getValue ( ) ; if ( atomic != null && atomic . get ( ) == 0L ) { entryIterator . remove ( ) ; } } }
Removes all mappings from this map whose values are zero .