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33 lines
1.0 KiB
33 lines
1.0 KiB
// AnimalTest.java
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public class Main {
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public static void main(String[] args) {
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// 1. 创建对象
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// 使用多态:父类引用指向子类对象
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Animal dog = new Dog("旺财");
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Animal cat = new Cat("咪咪");
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System.out.println("--- 基础叫声测试 ---");
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// 2. 调用叫声方法(多态体现)
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dog.makeSound();
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cat.makeSound();
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System.out.println("\n--- 游泳能力测试 ---");
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// 3. 游泳测试
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// 狗会游泳:需要向下转型(或者直接判断)
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if (dog instanceof Swimmable) {
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Swimmable swimmingDog = (Swimmable) dog;
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swimmingDog.swim();
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} else {
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System.out.println(dog.getName() + " 不会游泳");
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}
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// 猫不会游泳
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if (cat instanceof Swimmable) {
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Swimmable swimmingCat = (Swimmable) cat;
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swimmingCat.swim();
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} else {
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System.out.println(cat.getName() + " 不会游泳");
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}
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}
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}
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