Question: What does the poll ( ) method in line [ Task task = pq . poll ( ) ; ] do ? poll ( )

What does the poll() method in line [ Task task = pq.poll();] do?
poll() method is used to add the task with lowest priority.
poll() method is used to add the task with highest priority.
poll() method is used to remove and retrieve the task with highest priority.
poll() method is used to remove and retrieve the task with lowest priority.
What does the poll() method in line [ Task task =

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