class DbStore implements Store, UserAddressStore {

    public List<String> findAllCountries() {
        List<String> resultList = new ArrayList<>();
        try (Connection con = SOURCE.getConnection();
             Statement st = con.createStatement();
             ResultSet rst = st.executeQuery(PROPS.getProperty("getAllCountries"))) {
            while (rst.next()) {
                resultList.add(rst.getString("name"));
            }
        } catch (SQLException e) {
            LOG.error(e.getMessage(), e);
        }
        return resultList;
    }

    private  DbStore();

}