JDK8写代码比较好的技巧 Future FutureTask Callable Stream Predict Function Optional Lombok Google中的ImmuableMap

1. Future模式
   https://blog.csdn.net/qq_31617121/article/details/80862283

2. 异步/同步/阻塞/非阻塞
   https://www.cnkirito.moe/future-and-promise/
   Netty https://netty.io/wiki/using-as-a-generic-library.html#wiki-h2-5

3. CompletableFuture
   CompletableFuture详解
   https://colobu.com/2016/02/29/Java-CompletableFuture/
   CompletableFuture 详解
   https://www.jianshu.com/p/6f3ee90ab7d3
   Java8的CompletableFuture进阶之道
   https://juejin.im/post/5ca47aa0e51d457131257269
   thenApply与thenCompose的异同
   https://blog.csdn.net/weixin_33795093/article/details/88462597
   CompletableFuture用法 这篇讲的不错
   https://juejin.im/post/5b4622df5188251ac9766f47
   Future与FutureTask的区别与联系
   https://blog.csdn.net/f641385712/article/details/83546803
   Java8新的异步编程方式 CompletableFuture(一)
   https://www.jianshu.com/p/dff9063e1ab6