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16 lines
384 B
16 lines
384 B
package w6;
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public class Dog extends Animal
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implements Swimmable {
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// 重写Animal的抽象方法makeSound()
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@Override
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public void makeSound() {
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System.out.println("汪汪");
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}
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// 步骤3实现Swimmable接口后，需重写swim()方法
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@Override
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public void swim() {
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System.out.println("狗会游泳～");
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}
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}
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