public void print(){
		/*for (int i = 0; i < mDataSet[KEY].length; i++){
			System.out.println(mDataSet[KEY][i]);
		}*/
		
		String[] keys = getKeys();
		for (int i = 0; i < keys.length; i++){
			System.out.println("key:" + keys[i] + " value:" + mHashMap.get(keys[i]));
		}
	}