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去除空格，优化格式

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Wenweigood 2025-05-13 19:44:03 +08:00 committed by GitHub
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docs/java/concurrent/java-concurrent-questions-02.md
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@ -60,7 +60,7 @@ public class Singleton {
private Singleton() { private Singleton() {
} }
public 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 //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) { if (uniqueInstance == null) {
//类对象加锁 //类对象加锁