PriorityQueue doesn't store elements sorted. It uses heap inside. That's why calling toString() of queue won't give you elements in right ... ... <看更多>
In this problem we will test your knowledge on Java Priority Queue. You have to deal with types of events: ENTER (a student enters the queue) or SERVED. ... <看更多>
You can certainly have an implementation of a set having priority behavior that conforms to some interface for a set. Nothing prevent you from doing that, ... ... <看更多>