How does the wait() method differ from the sleep() method when working with threads?

  • wait() and sleep() are interchangeable; there is no difference.
  • wait() and sleep() have no impact on thread execution.
  • wait() is used for inter-thread communication and releases the lock, while sleep() pauses the thread and retains the lock.
  • wait() is used for pausing the thread and retains the lock, while sleep() is used for inter-thread communication and releases the lock.
In Java, the wait() method is used for inter-thread communication and is typically used with synchronization mechanisms like synchronized blocks. It releases the lock and allows other threads to execute, whereas sleep() pauses the thread but retains the lock, making it unsuitable for inter-thread communication.
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