private static void displayPatients(ResultSet rs)throws SQLException{
		
		StringBuilder bf = new StringBuilder();
		while (rs.next()){
			bf.append(rs.getInt("pid")).append(": ");
			bf.append(rs.getString("firstname")).append(" ");
			bf.append(rs.getString("lastname"));
			System.out.println(bf.toString());
			bf.delete(0, bf.length());
		}
	}