public User getUserById (int id) {
		User user = null;
		try {
			Connection conn = ConnectionManager.getConnection();
			String query = "SELECT userName, userPassword FROM User WHERE id = ?";
			PreparedStatement pstmt = conn.prepareStatement(query);
			pstmt.setInt(1, id);
			ResultSet rset = pstmt.executeQuery();

			if (rset.next()) {
				String userName = rset.getString(1);
				String userPassword = rset.getString(2);
				user = new User (userName, userPassword);
			}
			rset.close();
			pstmt.close();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return user;
	}