chiefhsing的专栏

官方文档总结Hash table based implementation of the Map interface. This implementation provides all of the optional map operations, and permits null values and the null key. (The HashMap class is roughly e...

官方文档总结This class implements a hash table, which maps keys to values. Any non-null object can be used as a key or as a value.To successfully store and retrieve objects from a hashtable, the objects ...

官方文档总结A hash table supporting full concurrency of retrievals and high expected concurrency for updates. This class obeys the same functional specification as Hashtable, and includes versions of meth...