为什么不将 ConcurrentHashMap[T,ConcurrentLinkedQueue[U]] 用一些类似 Scala 的好方法(例如隐式转换为 Iterable 或任何您需要的方法，和更新方法)?

Why not wrap ConcurrentHashMap[T,ConcurrentLinkedQueue[U]] with some nice Scala-like methods (e.g. implicit conversion to Iterable or whatever it is that you need, and an update method)?