理解 Java21 虚拟线程

https://segmentfault.com/a/1190000046092316

https://www.hikunpeng.com/forum/thread-0295203958939016236-1-1.html

https://javaguide.cn/java/concurrent/virtual-thread.html#虚拟线程和平台线程性能对比

https://yanbin.blog/java-21-virtual-thread-and-applications/

https://liaoxuefeng.com/books/java/threading/virtual-thread/index.html#0