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总结：ConcurrentHashMap一、介绍二、JDK1.7中是分段锁的思想三、JDK1.8的实现四、ConcurrentHashMap在迭代时和HashMap的区别

总结：ConcurrentHashMap一、介绍二、JDK1.7中是分段锁的思想三、JDK1.8的实现四、ConcurrentHashMap在迭代时和HashMap的区别

ConcurrentHashMap梳理 HashMap是非线程安全的，而Hashtable虽然是性能安全的，但是性能太低。 ...

Java 2024-01-05 42 点赞 0 评论 63 浏览

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