RFR: 8015318: Extend Collector with 'finish' operation
henry.jen at oracle.com
Sat Jul 6 00:11:55 UTC 2013
Please review the webrev at
This webrev refactor java.util.Collector interface to allow an
intermediate type used for accumulation and then produce final result
type with a 'finished' function.
Collectors are updated to reflect the changes, and quite a few API changes,
toStringJoiner -> joining
Return type becoming Optional<T> when appropriate
sumBy -> a set of summing[Int,Long,Double]
I'll put specdiff up later for those interested in API changes.
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