package w6;

public class Dog extends Animal
        implements Swimmable {
    // 重写Animal的抽象方法makeSound()
    @Override
    public void makeSound() {
        System.out.println("汪汪");
    }

    // 步骤3实现Swimmable接口后，需重写swim()方法
    @Override
    public void swim() {
        System.out.println("狗会游泳～");
    }
}