public void insert(int keyVal, StringListExt listVal){
		ArrayHeapEntry newEntry = new ArrayHeapEntry(keyVal, listVal);
		heap.add(newEntry);

		int index = heap.size() - 1;
	    int child = index;
	    int parent = (child - 1) / 2;

		if (heap.size()-1 != 0){
		    while (heap.get(parent).getKey() < heap.get(child).getKey()) {
				ArrayHeapEntry temp = heap.get(child);
				heap.set(heap.indexOf(heap.get(child)), heap.get(parent));
				heap.set(heap.indexOf(heap.get(parent)), temp);
				child = parent;
				parent = (child - 1) / 2;
		    }
		}
	}