Java PriorityQueue Class Example

In Java, the PriorityQueue class is implemented as a priority heap. Heap is an important data structure in computer science. For a quick overview of heap, here is a very good tutorial. 1. Simple Example The following examples shows the basic operations of PriorityQueue such as offer(), peek(), poll(), and size(). import java.util.Comparator; import java.util.PriorityQueue; … Read more