public void getUser() throws IOException{
		while(true){
			String line = reader2.readLine();
			if (line == null) break;
			try {
				JSONObject user = new JSONObject(line);
				String u_id = user.getString("user_id");
				String u_name = user.getString("name");
				int u_reviewCount = user.getInt("review_count");
				double u_avgStar = user.getDouble("average_stars");
				HashMap<String, Integer> votes = new HashMap<String, Integer>();
				JSONObject vote = user.getJSONObject("votes");
				votes.put("funny", vote.getInt("funny"));
				votes.put("useful", vote.getInt("useful"));
				votes.put("cool", vote.getInt("cool"));
				User u  = new User(u_id, u_name, u_reviewCount, u_avgStar, votes);
				userMap.put(u_id, u);
			}catch(JSONException e) {
				e.printStackTrace();
				System.out.print(line + System.getProperty("line.separator"));
			}
		}
	}