将JSON反序列化为多态类型Spring boot

import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.databind.ObjectMapper;

@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY, property = "@class")
public abstract class Animal {
    private String name;

    // getters and setters
}

public class Dog extends Animal {
    private String breed;

    // getters and setters
}

public class Cat extends Animal {
    private int age;

    // getters and setters
}

public class Main {
    public static void main(String[] args) throws Exception {
        String json = "{\"@class\":\"com.example.Dog\",\"name\":\"Buddy\",\"breed\":\"Labrador Retriever\"}";

        ObjectMapper mapper = new ObjectMapper();
        Animal animal = mapper.readValue(json, Animal.class);

        if (animal instanceof Dog) {
            Dog dog = (Dog) animal;
            System.out.println("Dog name: " + dog.getName());
            System.out.println("Dog breed: " + dog.getBreed());
        } else if (animal instanceof Cat) {
            Cat cat = (Cat) animal;
            System.out.println("Cat name: " + cat.getName());
            System.out.println("Cat age: " + cat.getAge());
        }
    }
}

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
</dependency>