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Update JDK监控和故障处理工具总结.md

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docs/java/jvm/JDK监控和故障处理工具总结.md
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@ -156,7 +156,7 @@ Server is ready.
**下面是一个线程死锁的代码。我们下面会通过 `jstack` 命令进行死锁检查，输出死锁信息，找到发生死锁的线程。**
```
```java
public class DeadLockDemo {
private static Object resource1 = new Object();//资源 1
private static Object resource2 = new Object();//资源 2
@ -331,4 +331,4 @@ VisualVM 提供在 Java 虚拟机 (Java Virutal Machine, JVM) 上运行的 Java
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