Adder.java

/*
 * Copyright (C) 2015 Miguel Gamboa at CCISEL
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package pt.isel.mpd.aula06;

/**
 *
 * @author Miguel Gamboa at CCISEL
 */

/*
* Só a interface Adder é funcional 
*/
public interface Adder {
    int add(int a, int b);
}

/*
* Não é funcional pq tem 2 métodos
*/
interface Smartadder extends Adder{
    int add(double a, double b);
}

/*
* Nao é funcional pq tem 0 métodos
*/

interface Nothing{
}