There were pears and apples , clustered high in blooming pyramids ; there were bunches of grapes , made , in the shopkeepers ' benevolence to dangle from conspicuous hooks , that people 's mouths might water gratis as they passed ; there were piles of filberts , mossy and brown , recalling , in their fragrance , ancient walks among the woods , and ...
A print queue is a list of printer output jobs held in a reserved memory area. It maintains the most current status of all active and pending print jobs. A print queue gives users printer management capabilities to facilitate control of print queue operations like pausing, resuming or canceling jobs. Some print queues allow users to prioritize print jobs and change the order of a queue. A print queue generally displays the following information: Document name: Shows the file name of the print job.
PriorityQueue is an unbounded Queue implementation in Java, which is based on priority heap. PriorityQueue allows you to keep elements in a particular order, according to there natural order or custom order defined by Comparator interface in Java. Head of priority queue data structure will always contain least element with respect to specified ordering. For example, in this post, we will create a PriorityQueue of Items, which are ordered based upon there price, this will allow us to process Items, starting from lowest price. Priority queue is also very useful in implementing Dijkstra algorithm in Java.