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17 lines
700 B
17 lines
700 B
package w6;
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public class Main {
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public static void main(String[] args) {
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// 测试1：Animal 引用指向 Dog（多态调用makeSound()）
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Animal animalDog = new Dog();
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animalDog.makeSound(); // 输出：汪汪（实际执行Dog的makeSound()）
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// 测试2：Swimmable 引用指向 Dog（多态调用swim()）
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Swimmable swimmingDog = new Dog();
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swimmingDog.swim(); // 输出：狗会游泳～（实际执行Dog的swim()）
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// 测试3：Animal 引用指向 Cat（多态调用makeSound()）
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Animal animalCat = new Cat();
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animalCat.makeSound(); // 输出：喵喵（实际执行Cat的makeSound()）
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}
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}
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