wait() Vs sleep()

1. Wait() must be called in synchronization context, otherwise IllegalMonitorStateException thrown.
2. wait operates on Object and defined in Object class while sleep operates on current Thread and defined in java.lang.Thread class.
3. Wait() method releases the lock it holds, where as sleep method not.
4. Sleep is static method, where as wait is non static.

Related links

https://self-learning-java-tutorial.blogspot.com/2014/03/thread-wait.html

https://self-learning-java-tutorial.blogspot.com/2014/03/why-wait-and-notify-is-in-object-class.html

https://self-learning-java-tutorial.blogspot.com/2014/03/make-thread-sleep-sleep.html

                                            

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