long idCurrencyCurs; try { ps = conn.prepareStatement(sql_); ps.setLong(1, idSite); ps.setLong(2, idCurrency); ps.setTimestamp(3, stamp); rs = ps.executeQuery(); if (rs.next()) { curs = rs.getDouble("CURS"); tsCurs = rs.getTimestamp("DATE_CHANGE"); } return tsCurs; } finally { rs.close(); ps.close(); rs = null; ps = null; } }