HashMap class analysis of JDK source code

I. Overview

HashMap implementation

Hashmap inherits AbstractMap, implements the Map interface and Cloneable interface, HashMap is based on a hash table (hash table), the
underlying data structure of the two-column collection jdk8 that implements the Map interface has been changed to a binary tree. Before
looking at the hashmap in the linked list , you need to change Map, AbstractMap source code, please put my blog link here: https://www.cnblogs.com/houzheng/p/12687883.html

The data structure involved

Two source code analysis

Attributes

Static inner class (implementation of Entry)

Three summary