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Why IllegalMonitorStateException is coming when wait and notify is calling from synchronize block

 
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Hi,
    I am executing the below code and get output like ---
1
2
java.lang.IllegalMonitorStateException
at java.lang.Object.notify(Native Method)
at THREAD.Thread2.run(ThreadTest.java:42)
at java.lang.Thread.run(Unknown Source)

wait() and nofity() is calling from synchronize block then why this exception is coming?



Thanks
 
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When you call wait or notify on an object, you need to synchronize on that object. The wait and notify calls are on this, but you synchronize on count. You want to use count.wait() and count.notify().
 
Abhra Kar
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oh yes , got clear
Thanks a lot Rob
 
Rob Spoor
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You're welcome.
 
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