2016-03-15 64 views

回答

5

當前它返回java.util.concurrent.ConcurrentHashMap

+2

請參閱[Maps.java:304](https://github.com/google/guava/blob/a2a2ebb9aa29a5d24182f394125121129f936155/guava/src/com/google/common/collect/Maps.java#L304)和[MapMaker。的java:520](https://github.com/google/guava/blob/master/guava/src/com/google/common/collect/MapMaker.java#L520)。 – mfulton26

相關問題