Define Priority Queue java

Define Priority Queue java

Answer: Below are description of Priority queue java:

  • It’s a public class PriorityQueue which extends AbstractQueue and implements Serializable
  • It’s is unbounded priority queue based on a priority heap.
  • Elements in the priority queue are ordered according to their own natural ordering or by using Comparator that is provided at queue creation time
  • Depending on what constructor has been used. Priority queue Not permit null elements.
  • It’s relying on natural ordering and not permit insertion of non-comparable objects and if try to do so may result in ClassCastException
  • It’s member of Java Collections Framework.

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