priority queue descending order java code example

Example 1: priority queue java comparator lambda

PriorityQueue<Integer> pq =new PriorityQueue<>((x, y) -> Integer.compare(y, x));

pq.add(10);
pq.add(5);
System.out.println(pq.peek());

Example 2: priority queue reverse order java

PriorityQueue<Integer> pQueue = new PriorityQueue<Integer>(Collections.reverseOrder());