https://www.jianshu.com/p/377bb840802f
Thread类中维护了一个成员变量:ThreadLocalMap
每个Thread有一个自己的ThreadLocalMap,ThreadLocal在get和set时,会先通过getMap()获取当前thread的ThreadLocalMap:
ThreadLocalMap的key和value分别是ThreadLocal实例的弱引用对象和我们要存储的值
ThreadLocalMap的enrty的key为什么要设置成弱引用?
https://blog.csdn.net/qq646040754/article/details/82493409
原文地址:https://www.cnblogs.com/gaoquanquan/p/11349367.html
时间: 2024-08-01 00:14:10