spring-projects/spring-framework — pull request #666 by luckybomb (2014-10-21 01:11:06+00:00)
Title: Inefficient use of keySet iterator instead of entrySet iterator Resolve

I use entrySet instead of Keyset to improve performance.

It is more efficient to use an iterator on the entrySet of the map, to avoid the Map.get(key) lookup.