public String toString() {
		String s = "";
		try {
			BufferedReader reader = new BufferedReader(new FileReader(file));
			String line;
			while ((line = reader.readLine()) != null) {
				s += line + "\n";
			}
			reader.close();
			return s;
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}