From e88e2892eaed5f8d030210394f4925bf915ba02a Mon Sep 17 00:00:00 2001
From: huangshangi <38102027+huangshangi@users.noreply.github.com>
Date: Tue, 16 Jun 2020 10:21:01 +0800
Subject: [PATCH] Update JavaConcurrencyAdvancedCommonInterviewQuestions.md
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单例模式实例修改，在单例方法上声明synchronized关键字是不必要的且会造成性能上的开销
---
 .../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 68878b94..8c5a30a6 100644
--- a/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
+++ b/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
@@ -73,7 +73,7 @@ public class Singleton {
     private Singleton() {
     }
 
-    public synchronized static Singleton getUniqueInstance() {
+    public  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