public class ThreadState {
public static void main(String[] args) {
new Thread(new TimeWaiting(),"timeWaitingThread").start();
new Thread(new Waiting(),"WaitingThread").start();
new Thread(new Blocked(),"BlockedThread-1").start();
new Thread(new Blocked(),"BlockedThread-2").start();
}
}
class TimeWaiting implements Runnable{
@Override
public void run() {
while(true){
try {
Thread.sleep(100000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
class Waiting implements Runnable{
@Override
public void run() {
while(true){
synchronized(Waiting.class){
try {
Waiting.class.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
class Blocked implements Runnable{
@Override
public void run() {
while(true){
synchronized(Blocked.class){
while(true){
try {
Thread.sleep(100000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
}
cd C:\Program Files\Java\jdk1.7.0_51\bin
jps
jstack
ehanmqi@CN00202245 /C/Program Files/Java/jdk1.7.0_51/bin
$ jps
6904
4880 Jps
7928 ThreadState
ehanmqi@CN00202245 /C/Program Files/Java/jdk1.7.0_51/bin
$ jstack 7928
2016-01-06 09:13:27
Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.51-b03 mixed mode):
"DestroyJavaVM" prio=6 tid=0x000000000278e000 nid=0x1cb8 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"BlockedThread-2" prio=6 tid=0x000000000c9af000 nid=0xf50 waiting for monitor entry [0x000000000ce9f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at Blocked.run(ThreadState.java:61)
- waiting to lock <0x00000007d5d9fd18> (a java.lang.Class for Blocked)
at java.lang.Thread.run(Thread.java:744)
"BlockedThread-1" prio=6 tid=0x000000000c9aa800 nid=0x1cc8 waiting on condition [0x000000000d4ee000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at Blocked.run(ThreadState.java:61)
- locked <0x00000007d5d9fd18> (a java.lang.Class for Blocked)
at java.lang.Thread.run(Thread.java:744)
"WaitingThread" prio=6 tid=0x000000000c9a9800 nid=0xf18 in Object.wait() [0x000000000d24f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5d9ec10> (a java.lang.Class for Waiting)
at java.lang.Object.wait(Object.java:503)
at Waiting.run(ThreadState.java:41)
- locked <0x00000007d5d9ec10> (a java.lang.Class for Waiting)
at java.lang.Thread.run(Thread.java:744)
"timeWaitingThread" prio=6 tid=0x000000000c9a9000 nid=0x1f88 waiting on condition [0x000000000d3be000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at TimeWaiting.run(ThreadState.java:23)
at java.lang.Thread.run(Thread.java:744)
"Service Thread" daemon prio=6 tid=0x000000000af9a800 nid=0x1f90 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x000000000af99800 nid=0x540 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x000000000af95000 nid=0x424 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Attach Listener" daemon prio=10 tid=0x000000000af3f800 nid=0x1f74 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000000af92800 nid=0x14d0 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x000000000af29800 nid=0x1818 in Object.wait() [0x000000000c2ef000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5d05568> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007d5d05568> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)
"Reference Handler" daemon prio=10 tid=0x000000000af1e800 nid=0x2b4 in Object.wait() [0x000000000c19f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5d050f0> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007d5d050f0> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000000af1b000 nid=0x1b18 runnable
"GC task thread#0 (ParallelGC)" prio=6 tid=0x00000000027dc800 nid=0x948 runnable
"GC task thread#1 (ParallelGC)" prio=6 tid=0x00000000027de000 nid=0x1e5c runnable
"GC task thread#2 (ParallelGC)" prio=6 tid=0x00000000027e0000 nid=0x1a78 runnable
"GC task thread#3 (ParallelGC)" prio=6 tid=0x00000000027e1800 nid=0x1b2c runnable
"VM Periodic Task Thread" prio=10 tid=0x000000000af9b000 nid=0x1cc0 waiting on condition
JNI global references: 105