1. https://blog.csdn.net/lzm18064126848/article/details/70199769
1.1 https://blog.csdn.net/turbo_zone/article/details/52557191?locationNum=2&fps=1 Java8 java.util.function包解析(Function,Consumer,Predicate,Supplier)包含(System.out::println.......)
1.2 http://www.importnew.com/16436.html :lambda表达式 java8前后对比的写法
2. https://my.oschina.net/0sbVMw/blog/535010