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|Interview Questions and Answers|
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|Ans. Threads enters to waiting state or block on I/O because other threads can execute while the I/O operations are performed.|
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|Like Discuss Correct / Improve  java   threads   multithreading   scheduling   operating system|
|Explain Thread States ?|
|What is the difference between time slicing and preemptive scheduling ?|
|What is an object's lock and which object's have locks?|
|What is the difference between yield() and sleep()?|
|Can a lock be acquired on a class ?|
|What state does a thread enter when it terminates its processing?|
|Difference between yield() and sleeping()?|
|What is Time slicing with respect to Threads ?|