如何在Java中解析JSON对象中的精确值？

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.12.5</version>
</dependency>

implementation 'com.fasterxml.jackson.core:jackson-databind:2.12.5'

{
  "name": "John",
  "age": 30,
  "isStudent": false,
  "height": 175.5
}

public class Person {
    private String name;
    private int age;
    private boolean isStudent;
    private double height;

    // 省略构造方法、getter和setter
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonParser {
    public static void main(String[] args) throws Exception {
        String json = "{\"name\":\"John\",\"age\":30,\"isStudent\":false,\"height\":175.5}";

        ObjectMapper objectMapper = new ObjectMapper();
        Person person = objectMapper.readValue(json, Person.class);

        System.out.println("Name: " + person.getName());
        System.out.println("Age: " + person.getAge());
        System.out.println("Is Student: " + person.isStudent());
        System.out.println("Height: " + person.getHeight());
    }
}

Name: John
Age: 30
Is Student: false
Height: 175.5

<dependency>
    <groupId>com.google.code.gson</groupId>
    <artifactId>gson</artifactId>
    <version>2.8.8</version>
</dependency>

implementation 'com.google.code.gson:gson:2.8.8'

import com.google.gson.Gson;

public class JsonParser {
    public static void main(String[] args) {
        String json = "{\"name\":\"John\",\"age\":30,\"isStudent\":false,\"height\":175.5}";

        Gson gson = new Gson();
        Person person = gson.fromJson(json, Person.class);

        System.out.println("Name: " + person.getName());
        System.out.println("Age: " + person.getAge());
        System.out.println("Is Student: " + person.isStudent());
        System.out.println("Height: " + person.getHeight());
    }
}