public static void main(String[] args) {
        // TODO code application logic here
        Connection conn = null;

        try{
            String driverName = "oracle.jdbc.driver.OracleDriver";
            Class.forName(driverName);
            String serverName = "localhost";
            String serverPort = "1521";
            String sid = "XE";
            String url = "jdbc:oracle:thin:@" + serverName + ":" + serverPort + ":" + sid;
            String username = "SYSTEM";
            String password = "Batman1997";
            conn = DriverManager.getConnection(url, username, password);
            System.out.println("Sucesso");
        }catch(ClassNotFoundException e){
            System.out.println("could not find the DB driver " + e.getMessage());
        }catch(SQLException e){
            System.out.println("Could not connect to the database " + e.getMessage());
        }

        //vai tentar buscar os dados
        try{
            System.out.println("rfr");
            Statement st = conn.createStatement();
            ResultSet rs = st.executeQuery("select * from TestingTable");
            while(rs.next()){
               int num = rs.getInt(1);
               String name = rs.getString(2).toString();
               System.out.println("" + num + " " + name);
            }

        }catch(Exception e){
            e.printStackTrace();
        }
    }

}