使用Jackson lib - Java从JSON获取嵌套数组

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

public class User {
    private String name;
    private int age;
    // 其他属性和getter/setter方法
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class Main {
    public static void main(String[] args) {
        String json = "{\"users\": [{\"name\": \"John\", \"age\": 25}, {\"name\": \"Alice\", \"age\": 30}]}";

        try {
            ObjectMapper objectMapper = new ObjectMapper();
            User[] users = objectMapper.readValue(json, User[].class);

            for (User user : users) {
                System.out.println("Name: " + user.getName());
                System.out.println("Age: " + user.getAge());
                System.out.println();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}