Bases de datos UPM

import java.sql.Connection;
import java.sql.DriverManager;
public class EJ2_01 {
    public EJ2_01() {
        try {
            init();
        } catch (Exception e) {
            System.err.println("Error al conectar a la BD: " + e.getMessage());
        }
    }
    private void init() throws Exception {
        String drv = "com.mysql.jdbc.Driver";
        Class.forName(drv);
        String serverAddress = "localhost:3306";
        String db = "sakila";
        String user = "bd2";
        String pass = "bdupm2";
        String url = "jdbc:mysql://" + serverAddress + "/" + db;
        Connection conn = DriverManager.getConnection(url, user, pass);
        System.out.println("Conectado a la base de datos!");
        conn.close();
    }
    public static void main(String args[]) {
        new EJ2_01();
    }
}