EatDemo

interface Eatable {
void eat();
}

public class EatDemo {

public static void main(String[] args) {
    Eatable dog = ()->{
        System.out.println("小狗爱吃骨头");
    };
    
    Eatable cat = ()->{
        System.out.println("小猫爱吃鱼");
    };
    
    Eatable chick = ()->{
        System.out.println("小鸡爱吃毛毛虫");
    };
    
    dog.eat();
    cat.eat();
    chick.eat();
}

}