So to reduce this time complexity in downsizing by checking for the quarter size of the array to be equal to the size of the queue to half it at that point so we will not face the N order growth for enqueueing just the next element in the queue. Java: Convert a priority queue to an array containing all of the elements of the queue Last update on Ap12:55:37 (UTC/GMT +8 hours) Java Collection, PriorityQueue Exercises: Exercise-10 with Solution Write a Java program to convert a priority queue to an array containing all its elements. Now you might be thinking why not to half the array just like we have doubled it for upsizing, but than if we half the array just when the size of queue is half of the size of array we will phase an order of growth N for enqueueing just the next element in queue and this will happen every time whenever an enqueue is performed just after the downsizing by dequeue, which is also bad.
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