"remoting-jmx客户端-线程-4“守护进程prio=6 tid=0x000000000f86b000 nid=0x20e0 >等待条件0x000000000b82e000 java.lang.Thread.State: TIMED_WAITING (泊车) at sun.misc.Unsafe.park(原生方法)-泊车等待<0x00000000ebd8bcc0> ( >java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQue>ue.java:460) at >java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQue>ue.java:460) at >java.util.concurrent.SynchronousQueue$TransferStack.transfer( )( java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942) at >java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) at >java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) at >java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)
在这个线程转储中，我们有线程Nid。这个Nid --如何从java代码中的线程中获得它。