Java检测死锁案例 Java检测死锁案例

导致死锁的程序

package com.study.train; import java.io.IOException; import java.lang.management.ManagementFactory; import java.lang.management.ThreadInfo; import java.lang.management.ThreadMXBean; import java.lang.reflect.Field; import java.util.*; import java.util.concurrent.ArrayBlockingQueue; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.FutureTask; import java.util.concurrent.LinkedBlockingQueue; import java.util.concurrent.locks.Lock; import java.util.concurrent.locks.ReentrantLock; import static java.lang.Thread.yield; public class Main extends Thread{private Object o1; private Object o2; Main(Object oa,Object ob,String name) {super(name); o1 = oa; o2 = ob; }@Overridepublic void run() {synchronized (o1) {System.out.println("thread: "+Thread.currentThread().getName() + " get lock"); try {Thread.sleep(1000); } catch (InterruptedException e) {e.printStackTrace(); }synchronized (o2) {System.out.println("two lock is get"); }}}public static void main(String[] args) throws InterruptedException {Object oj1 = new Object(); Object oj2 = new Object(); Main m1 = new Main(oj1,oj2,"thread1"); Main m2 = new Main(oj2,oj1,"thread2"); m1.start(); m2.start(); m1.join(); m2.join(); }}

1.jconsole工具检测