使用Java和Jackson将数组写入JSON

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

public class MyData {
    private int[] numbers;

    public MyData(int[] numbers) {
        this.numbers = numbers;
    }

    public int[] getNumbers() {
        return numbers;
    }

    public void setNumbers(int[] numbers) {
        this.numbers = numbers;
    }
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class Main {
    public static void main(String[] args) {
        int[] numbers = {1, 2, 3, 4, 5};

        MyData data = new MyData(numbers);

        ObjectMapper objectMapper = new ObjectMapper();
        try {
            String json = objectMapper.writeValueAsString(data);
            System.out.println(json);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}