Java concurrent Programming Art Java Concurrency container and framework

Concurrenthashmap

Concurrenthashmap is composed of the segment array structure and the HASHENTRY array structure.

A concurrenthashmap contains a segment array, the structure of segment is similar to HashMap, is an array and a list structure, a segment contains a hashentry array, Each hashentry is an element of a linked list structure, and each segment guardian is an element of the Hashentry array, and when the data for the Hashentry array is modified, it must first obtain its corresponding segment lock.

Java concurrent Programming Art Java Concurrency container and framework