From 0a38f722c183d09d91002a4e91165c5865b5638d Mon Sep 17 00:00:00 2001
From: Mike Liu <657829312@qq.com>
Date: Sun, 18 Apr 2021 18:53:20 +0800
Subject: [PATCH] fix multiple annotations npe

Hints annotation needs add @Retention(RetentionPolicy.RUNTIME), otherwise it will throw npe.
---
 docs/java/new-features/Java8新特性总结.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/java/new-features/Java8新特性总结.md b/docs/java/new-features/Java8新特性总结.md
index e5a87f0b..e2a1a4aa 100644
--- a/docs/java/new-features/Java8新特性总结.md
+++ b/docs/java/new-features/Java8新特性总结.md
@@ -872,6 +872,7 @@ System.out.println(string);     // Nov 03, 2014 - 07:13
 首先定义一个包装类Hints注解用来放置一组具体的Hint注解：
 
 ```java
+@Retention(RetentionPolicy.RUNTIME)
 @interface Hints {
     Hint[] value();
 }