HashMap源码实现复习

java version "1.8.0_251" Java(TM) SE Runtime Environment (build 1.8.0_251-b08) Java HotSpot(TM) 64-Bit Server VM (build 25.251-b08, mixed mode) 基于数组+链表实现，通过&与运算，计算数组下标。在JDK8中，加入红黑树实现，使其时间复杂度保持在O(1)到O(logn) /** * The table, initialized on first use,...