BucketMap.java

	public int sumAllValues() {
		// TODO: implement
		int sum = 0;
		for (int h=0; h < N; h++) {
			for (KeyValue kv = buckets[h]; kv != null; kv = kv.next) {
				try {
					sum += Integer.parseInt(kv.value);
				} catch (Exception e) {
					System.out.println(e);
				}
			}
		}
		return sum;
	}