What is the difference between wait() and sleep() method in Java ?

Difference between calling wait() and sleep() method in Java .

wait()	sleep()
wait() is object class method.	sleep() is a thread class method.
wait() should be called from the synchronized method or block.	There is no such requirement to call sleep() method.
wait() is normally done on condition .And wait till the conditions become true.	sleep() is used just to put thread on sleep for some period of time.
wait() applies on the object of the class.	sleep() applies on the current thread.
Waiting thread only got wake if notify() or notifyAll() method is called on same object.	It wake up thread as time expires.
wait() is used for muti-thread synchronization.	sleep() is used for time-synchronization.
wait() is used for inter-thread communication.	sleep() is used to pause current thread execution for some time.

      

Blog Author - Pushkar Khosla,
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