import DataStructures.*; public class CmpDemo { public static void main(String args[]) { int i; PriorityQueue pq = (PriorityQueue) new FSUArray(); pq.add(new Grade("Alice", 92,73,85)); pq.add(new Grade("Bob", 61,87,62)); pq.add(new Grade("Cathy", 88,92,83)); pq.add(new Grade("David", 75,71,90)); pq.add(new Grade("Eva", 85,86,74)); pq.add(new Grade("Frank", 82,63,79)); while (! pq.isEmpty()) { Grade x = (Grade) pq.remove(); System.out.print(x.getName() + ": "); System.out.println(x.average()); } } }