From 953486fd698bc6151d688976f744f3224594f2df Mon Sep 17 00:00:00 2001 From: xiangwb Date: Wed, 25 Apr 2018 11:11:19 +0800 Subject: [PATCH] merge --- boot-service/src/main/java/com/xwbing/demo/CollectionDemo.java | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/boot-service/src/main/java/com/xwbing/demo/CollectionDemo.java b/boot-service/src/main/java/com/xwbing/demo/CollectionDemo.java index 1363d6f..85e6e81 100644 --- a/boot-service/src/main/java/com/xwbing/demo/CollectionDemo.java +++ b/boot-service/src/main/java/com/xwbing/demo/CollectionDemo.java @@ -142,6 +142,7 @@ public class CollectionDemo { * 自定义排序 推荐匿名内部类形式创建比较器 */ Comparator com = new Comparator() {// 返回正数,零,负数各代表大于,等于,小于 + @Override public int compare(Integer o1, Integer o2) { return o2 - o1; } @@ -151,7 +152,7 @@ public class CollectionDemo { //java8 lambda表达式 list.sort(Comparator.comparingInt(o -> o)); - /* + /** * 队列 队列也可以存放一组元素,但是存取元素必须 遵循:先进先出原则 * linkedlist也实现类队列接口,因为它可以保存一组元素,并且首尾增删块快,正好符合队列特点 */