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/**
* 主测试类,验证多态调用
*/
public class AnimalTest {
public static void main(String[] args) {
// 1. 多态:父类引用指向子类对象
Animal dog = new Dog();
Animal cat = new Cat();
// 2. 调用makeSound方法,体现多态
System.out.println("=== 动物叫声测试 ===");
dog.makeSound();
cat.makeSound();
// 3. 测试游泳接口:Dog实现了Swimmable,Cat未实现
System.out.println("\n=== 游泳能力测试 ===");
if (dog instanceof Swimmable) {
((Swimmable) dog).swim();
} else {
System.out.println("这只动物不会游泳");
}
if (cat instanceof Swimmable) {
((Swimmable) cat).swim();
} else {
System.out.println("猫不会游泳");
}
// 4. 直接创建Dog对象测试
System.out.println("\n=== 直接调用Dog方法 ===");
Dog myDog = new Dog();
myDog.makeSound();
myDog.swim();
}
}