/dev/rdonato

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class accesso_db_fonia {
  //  An example for accessing to an Oracle DB
 
  public static void main(String[] args) {
 
    try {
            // Step 1
          //  Class.forName("oracle.jdbc.driver.OracleDriver");
          DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());  
            // Step 2
            Connection conn = DriverManager.getConnection
                ("jdbc:oracle:thin:@xxx.yyy.zzz.ttt:port_number:DB_NAME", 
                 "user", "password");
 
            // Step 3
            Statement stmt = conn.createStatement();
 
            // Step 4
            String SQL_stmt = "select columna,columnb from table where condition;
            ResultSet rs = stmt.executeQuery(SQL_stmt);
 
            // Step 5
            while (rs.next()) {
                System.out.println("COLUMN_A      = " + rs.getInt("column_a"));
                System.out.println("COLUMN_B    = " + rs.getString("column_b"));            
            }
 
            // Step 6
            rs.close();
            stmt.close();
            conn.close();
        } catch (SQLException ex) {
            System.out.println(ex.getMessage());
        } catch (java.lang.Exception exl) {
            System.out.println(exl.getMessage());
        }
        System.out.println("Oh, well it worked !");
  }
}