From 767e712351cc9d184c4fe648742a1f43194cd4f3 Mon Sep 17 00:00:00 2001
From: "shuang.kou" <koushuangbwcx@163.com>
Date: Sat, 16 May 2020 15:31:26 +0800
Subject: [PATCH] Update JavaConcurrencyAdvancedCommonInterviewQuestions.md

---
 .../JavaConcurrencyAdvancedCommonInterviewQuestions.md          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md b/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
index 7a692cf1..82b87c14 100644
--- a/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
+++ b/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
@@ -73,7 +73,7 @@ public class Singleton {
     private Singleton() {
     }
 
-    public static Singleton getUniqueInstance() {
+    public synchronized static Singleton getUniqueInstance() {
        //先判断对象是否已经实例过，没有实例化过才进入加锁代码
         if (uniqueInstance == null) {
             //类对象加锁