Lock Objects Ensure That Shared Data Are in a Consistent

question 16

Multiple Choice

lock objects ensure that shared data are in a consistent state when several threads access them.What is a deadlock?

• A)When multiple threads try to use the same shared data at the same time, and the threads become undone
• B)When multiple threads copy the same shared data in order to proceed, consequently leaving the original lock object useless
• C)When multiple threads intertwine multiple times and the lock object is lost, or unreachable
• D)When multiple threads are not proceeding because they are currently waiting to acquire the same lock

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