PriorityBlockingQueue
PriorityBlockingQueue is a concurrent, blocking queue that orders elements based on their natural ordering or by a specified Comparator. It is part of the Java Concurrency Utilities package. Elements are retrieved from the queue in the order determined by their priority. The head of the queue is the least eligible element with respect to the specified ordering.
Unlike a regular PriorityQueue, PriorityBlockingQueue is thread-safe and designed for use in multi-threaded environments. When a
The operations available on PriorityBlockingQueue include adding elements (offer, put), retrieving elements (poll, take), and inspecting
PriorityBlockingQueue does not accept null elements. If null elements are inserted, a NullPointerException will be thrown.