public Object next(){
           q.enqueue(q.dequeue);
           q.dequeue();
           return q.examine();

        }

public void enqueue(Object o) throws Overflow{
        if (!isFull()) {
            last++;
            items[last] = o;
        }
        else throw new Overflow("enqueing to full queue");
    }

    public Object dequeue() throws Underflow {
        if (!isEmpty()){
            Object temp = items[first];
            first++;
            return temp;
        }
        else throw new Underflow("dequeueing form empty queue");
    }