求java大神，财富不够了但是真的很急还望相助！！

求java大神，财富不够了但是真的很急还望相助！！

public class Test {
public static void main(String[] args) {
Simulator simulator = new Simulator();
Animal cat = new Cat();
Animal dog = new Dog();
simulator.playSound(cat);
simulator.playSound(dog);
}
}

abstract class Animal{
public String animalName;

public abstract void cry();

public abstract String getAnimalName();

}

class Simulator{
public void playSound(Animal animal){
System.out.println(animal.getAnimalName());
animal.cry();
}
}

class Cat extends Animal{

public Cat(){
this.animalName = "加菲猫";
}

public void cry() {
System.out.println("Cat cry!");

}

public String getAnimalName() {
return this.animalName;
}

}

class Dog extends Animal{

public Dog(){
this.animalName = "欧迪";
}

public void cry() {
System.out.println("Dog cry!");

}

public String getAnimalName() {
return this.animalName;
}

}

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