Understanding sleep() and wait() in Multithreading: Which Statement is Correct?

Which of the following statements is correct regarding sleep() and wait()?

A. Both wait() and sleep() are methods called by thread objects.

B. 'sleep()' is a method called by a thread object; 'wait()' is a method called by a lock object.

C. None of the above statements are correct.

D. 'wait()' is a method called by a thread object; 'sleep()' is a method called by a lock object.

Correct Answer: B. 'sleep()' is a method called by a thread object; 'wait()' is a method called by a lock object.