Conexion MySQL con mydb

package unsch.efpis.ConexionDB;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

/**
 *
 * @author sin_querer
 */
public class Conexion {
    private static Connection cn = null;
    private static String URL = "jdbc:mysql://localhost:3306/mydb";
    private static String usuario = "root";
    private static String contrasena = "123456";

    public static Connection getConexion() throws SQLException {
DriverManager.registerDriver(new com.mysql.jdbc.Driver());
        cn = DriverManager.getConnection(URL, usuario, contrasena);
        return cn;
    }
}