使用JDBC链接Oracle代码，jdbc链接oracle, public c

使用JDBC链接Oracle代码，jdbc链接oracle, public c

    public class OracleJdbcTest        {            String driverClass = "oracle.jdbc.driver.OracleDriver";            Connection con;            public void init(FileInputStream fs) throws ClassNotFoundException, SQLException, FileNotFoundException, IOException            {                Properties props = new Properties();                props.load(fs);                String url = props.getProperty("db.url");                String userName = props.getProperty("db.user");                String password = props.getProperty("db.password");                Class.forName(driverClass);                con=DriverManager.getConnection(url, userName, password);            }            public void fetch() throws SQLException, IOException            {                PreparedStatement ps = con.prepareStatement("select SYSDATE from dual");                ResultSet rs = ps.executeQuery();                while (rs.next())                {                    // do the thing you do                }                rs.close();                ps.close();            }            public static void main(String[] args)            {                OracleJdbcTest test = new OracleJdbcTest();                test.init();                test.fetch();            }        }