Sorting PriorityQueue

Question

I am having a problem with PriorityQueues, as I am lead to believe it orders on priority however I am not sure what the priority is (I mean what the value is and where it co

Answer 1

Instead of Comparator just use Comparable interface.

Your Flight class should implement Comparable interface. Then you need to override the compareTo() method. In that method you can add your own logic for sorting based on the property you need.

Just like this way:

@Override
public int compareTo(Object obj) {
    // TODO Auto-generated method stub
    Flight f = (Flight)obj;
    if(this.a