@@ -0,0 +1,655 @@
+package java8.list;%0A%0Aimport java.util.List;%0Aimport java.util.stream.Collectors;%0A%0A/**%0A * @Author: yoyo%0A * @Description:%0A * @Date: Created in 2019/12/10 11:37%0A */%0Apublic class ListListStream %7B%0A    public static void main(String%5B%5D args) %7B%0A        List%3CInteger%3E list1=List.of(1,2,3,4,5);%0A        List%3CInteger%3E list2=List.of(1,2,3,4,5);%0A        List%3CInteger%3E list3=List.of(1,2,3,4,5);%0A        List%3CList%3CInteger%3E%3E listList=List.of(list1,list2,list3);%0A        System.out.println(listList);%0A%0A    //    List%E5%90%88%E5%B9%B6%0A        List%3CInteger%3E oneList=listList.parallelStream().flatMap(List::stream).collect(Collectors.toList());%0A%0A        System.out.println(oneList);%0A    %7D%0A%7D%0A

Boolean = test