java/w6/AnimalTest.java

package w6;

public class AnimalTest {
    public static void main(String[] args) {
        //多态调用Animal抽象类
        System.out.println("===动物叫声测试===");
        Animal dog1=new Dog();
        Animal cat1=new Cat();
        dog1.makeSound();
        cat1.makeSound();
        //多态调用Swimmable接口
        System.out.println("\n===游泳能力测试===");
        Swimmable swimmer = new Dog();
        swimmer.swim();
        //数组遍历多态演示
        System.out.println("\n===数组多态遍历===");
        Animal[] animals={new Dog(),new Cat()};
        for (Animal animal :animals) {
            animal.makeSound();
            if (animal instanceof Dog) {
                ((Dog) animal).swim();
            }
        }


    }
    
}