Java集合源码解析concurrenthashmap jdk7-阿里云

Java 集合源码解析 - ConcurrentHashMap（JDK7）（下）

5 ConcurrentHashMap的操作主要研究ConcurrentHashMap的3种操作——get操作、put操作和size操作.5.1 get操作Segment的get操作实现非常简单和高效.先经过一次再散列然后使用该散列值通过散列运算定位到Segment最后通过散列算法定位到该元素.pu...

Java 集合源码解析 - ConcurrentHashMap（JDK7）（上）

ConcurrentHashMap是线程安全且高效的HashMap1 为什么要使用ConcurrentHashMap线程不安全的HashMapHashMap是Java中最常用的一个Map类，性能好、速度快，但不能保证线程安全，它可用null作为key/valueHashMap的线程不安全主要体现在r...

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更新时间 2022-10-27 13:59:05

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