/**

 * Created by xfyou on 2016/11/3.

 * 多接口之间的继承

 */

public class HorrorShow {

    static void u(Monster b) {

        b.menace();

    }

    static void v(DangerousMonster d) {

        d.menace();

        d.destroy();

    }

    public static void main(String[] args) {

        DragonZilla dz = new DragonZilla();

        u(dz);

        v(dz);

    }

}

interface Monster {

    void menace();

}

interface DangerousMonster extends Monster {

    void destroy();

}

interface Lethal {

    void kill();

}

class DragonZilla implements DangerousMonster {

    @Override

    public void menace() {

    }

    @Override

    public void destroy() {

    }

}

interface Vampire extends DangerousMonster, Lethal {

    void drinkBlood();

}