代码开发者处理

如何处理开发者会在代码中直接访问 window 、location 等变量的场景？

[@倚贤][¥20]为了充分利用cpu加快运算，这时候我们就会用到多线程，但是用到多线程时就会面对一个共享变量的问题。为了共享变量的同步我们对线程代码加锁。但是加锁过程中又会让其他线程进行等待这样就会耗时很大。那请问，我们应该怎么对待共享变量，使得多线程程序运行结果正确而不会像加锁那样造成等待的耗时？原子操作还是？原子操作内部实现是一个期望值和当前值比较？如果一直比较失败呢？那作为java开发者应该处理多线程？怎么样编码好多线程程序？

问题来自Java技术沙龙的舒超群Java技术沙龙报名链接：https://yq.aliyun.com/promotion/796

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