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Update 三大性质总结：原子性、可见性以及有序性.md #19

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4 changes: 2 additions & 2 deletions 07.三大性质总结：原子性、可见性以及有序性/三大性质总结：原子性、可见性以及有序性.md
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Expand Up @@ -78,7 +78,7 @@ synchronized语义表示锁在同一时刻只能由一个线程进行获取，
public class Singleton {
private Singleton() { }
private volatile static Singleton instance;
public Singleton getInstance(){
public static Singleton getInstance(){
if(instance==null){
synchronized (Singleton.class){
if(instance==null){
Expand Down Expand Up @@ -113,4 +113,4 @@ synchronized语义表示锁在同一时刻只能由一个线程进行获取，
> 参考文献

《java并发编程的艺术》
《深入理解java虚拟机》
《深入理解java虚拟机》