ConcurrentHashMap的结构

HashEntry1.2

+get():V+put():V

Segment[]

ConcurrentHashMap

Segment2

ReentrantLock

HashEntry[]

+get():V+put():V+size():int+remove():V+putIfAbsent():V

Segment1

HashEntry2.1

pkg java.util.concurrent

ConcurrentHashMa 结构图

HashEntry1.1