인터페이스 적절히 활용하기

package ex07;

interface CookAble {
    void cook();
}

interface KnifeAble {
    void kill();
}

class 백종원 implements CookAble {

    @Override
    public void cook() {

    }
}

class 전사 implements KnifeAble, CookAble {

    @Override
    public void kill() {
        System.out.println("공격");
    }

    @Override
    public void cook() {
        System.out.println("요리");
    }
}

public class KnifeTest {
    public static void main(String[] args) {
        전사 k1 = new 전사();
        k1.kill();
        k1.cook();
        백종원 k2 = new 백종원();
        k2.cook();

    }
}