【尚硅谷】RocketMQ教程丨深度掌握MQ消息中间件 https://www.bilibili.com/video/BV1cf4y157sz?p=7&vd_source=1fef3d09132bfd177a655c1177cb75d1 https://how2j.cn/k/thread/thread-wait-notify/358.html
