private void listClose(Statement[] statements, ResultSet[] resultSets) {
		try {
			for (int i = 0; i < statements.length; i++)
				if (null != statements[i])
					statements[i].close();
			for (int i = 0; i < resultSets.length; i++)
				if (null != resultSets[i])
					resultSets[i].close();
		} catch (SQLException e) {
			e.printStackTrace();
		}

	}