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20 lines
538 B
20 lines
538 B
public class Main {
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public void main(){
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Animal cat = new Cat();
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Animal dago = new Dog();
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cat.makeVoice();
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dago.makeVoice();
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if(cat instanceof Swimmable){
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System.out.println("猫会游泳");
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}
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else{
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System.out.println("猫不会游泳");
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if (dago instanceof Swimmable){
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System.out.println("大狗会游泳");
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}
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else{
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System.out.println("大狗不会游泳");
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}
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}
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}
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}
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