java单例 方式对比 防止序列化/反射攻击 volatile防止指令重排优化

https://blog.csdn.net/u014672511/article/details/79774847

https://www.cnblogs.com/345214483-qq/p/6472158.html

https://www.cnblogs.com/lthIU/p/6240066.html

https://www.cnblogs.com/lthIU/p/6240128.html

https://www.cnblogs.com/chengxiao/p/6528109.html

https://www.cnblogs.com/liaojie970/p/6474733.html

原文地址:https://www.cnblogs.com/CreatorKou/p/9843748.html