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JDK1.8 HashMap 源码分析，JDK1.8 HashMap原理分析

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一、HashMap概述 在JDK1.8之前，HashMap采用数组+链表实现，即使用链表处理冲突，同一hash值的节点都存储在一个链表里。但是当位于一个桶中的元素较多，即hash值相等的元素较多时，通过key值依次查找的效率较低。而JDK1...

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