获取java中的字符串mongo字段数据类型

<dependency>
    <groupId>org.mongodb</groupId>
    <artifactId>mongo-java-driver</artifactId>
    <version>3.12.10</version>
</dependency>

import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;
import org.bson.Document;

public class Main {
    public static void main(String[] args) {
        // 连接到MongoDB数据库
        MongoClient mongoClient = new MongoClient("localhost", 27017);
        // 获取数据库
        MongoDatabase database = mongoClient.getDatabase("your_database_name");
        // 获取集合
        MongoCollection<Document> collection = database.getCollection("your_collection_name");

        // 获取文档数据
        Document document = collection.find().first();

        // 获取字段的数据类型
        Object fieldValue = document.get("your_field_name");
        if (fieldValue != null) {
            String dataType = fieldValue.getClass().getSimpleName();
            System.out.println("数据类型：" + dataType);
        }
    }
}