// Zorah Fung, CSE 143
// An interface for a FIFO (first-in first-out) ordered queue of integers
//
// Read more about Java's Queue interface: 
//    http://docs.oracle.com/javase/7/docs/api/java/util/Queue.html
public interface IntQueue {
    public void add(int value);
    public int remove();
    public int peek();
    public int size();
    public boolean isEmpty();
}