Class.forName("oracle.jdbc.driver.OracleDriver");            conn = DriverManager.getConnection(                    "jdbc:oracle:thin:@127.0.0.1:1521:myoracle", "sys as sysdba",                    "your sys's password");            stmt = conn.createStatement();            rs = stmt.executeQuery("select * from dba_tables");                        while (rs.next()) {                System.out.println(rs.getString(1));                System.out.println(rs.getString(2));                System.out.println(rs.getString(3));                System.out.println(rs.getString(4));                            }