---恢复内容开始---
http://www.importnew.com/21089.html
https://blog.csdn.net/Evankaka/article/details/44153709
http://wiki.jikexueyuan.com/project/java-concurrency/function.html
https://zhuanlan.zhihu.com/p/27836782
Java多线程学习(吐血超详细总结)
https://blog.csdn.net/evankaka/article/details/44153709#t10
Java的wait(), notify()和notifyAll()使用心得
https://www.jb51.net/article/40746.htm
Java中的函数yield(),sleep()和wait()的区别
https://jiaguwen123.iteye.com/blog/728725