Mar 25, 2009 · How do I get a PriorityQueue to sort on what I want it to sort on? Also, is there a difference between the offer and add methods?

Jul 7, 2020 · Priority Queue of an array of integers in java Asked 5 years, 6 months ago Modified 1 year, 10 months ago Viewed 26k times

I have priority queue in Java of Integers: PriorityQueue<Integer> pq= new PriorityQueue<Integer> (); When I call pq.poll () I get the minimum element. Question: how to change the code ...

Oct 9, 2020 · That is your comparator, to wit, a lambda expression which implements a Comparator<T>, and which you pass as an argument into your priority queue constructor. …

Jan 31, 2018 · In Priority Queue you will essentially put user define objects, so to do it priority queue asks you how to order these objects (because priority queues are like heap data …

Oct 16, 2012 · Priority queues of objects in Java Asked 13 years, 2 months ago Modified 13 years, 2 months ago Viewed 27k times

Aug 5, 2011 · I'm trying to implement Dijkstra's algorithm for finding shortest paths using a priority queue. In each step of the algorithm, I remove the vertex with the shortest distance from the …

Oct 20, 2011 · Does anyone know the implementation details for the standard java priority queue? heap? skiplist?

May 15, 2012 · An unbounded priority queue based on a priority heap. You can't use a priority heap to find the index of an element effectively. It only knows the first one and when you pop it …

Oct 25, 2010 · Priority Queue in Java Asked 15 years, 2 months ago Modified 13 years, 3 months ago Viewed 12k times