knowledge 零拷贝 https://www.jianshu.com/p/f3bea2f6c0b7 Java之SPI机制 https://www.cnblogs.com/googlemeoften/p/5715262.html 关于死锁1 https://www.aneasystone.com/archives/2018/04/solving-dead-locks-four.html 关于死锁2 http://hedengcheng.com/?p=771 算法刷题 https://github.com/azl397985856/leetcode 网络编程 http://www.52im.net/thread-2740-1-1.html