JVM系列第4讲：从源代码到机器码，发生了什么？

https://www.cnblogs.com/chanshuyi/p/jvm_serial_04_from_source_code_to_machine_code.html

线程安全(上)--彻底搞懂volatile关键字

https://mp.weixin.qq.com/s/p2pFbdqn485CxtIpVXyXMA

https://www.cnblogs.com/longjiang-uestc/p/9539355.html

https://www.cnblogs.com/marsitman/p/9539369.html

 https://blog.csdn.net/bntX2jSQfEHy7/article/details/81187626

java分布式锁

https://www.cnblogs.com/toutou/p/java_lock.html

https://www.cnblogs.com/hechao123/p/9294585.html