将只有“行”和“列”的JSON响应解析为POJO

import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonParser {
    public static void main(String[] args) {
        String json = "{\"rows\": 3, \"columns\": 2, \"data\": [[1, 2], [3, 4], [5, 6]]}";

        try {
            ObjectMapper objectMapper = new ObjectMapper();
            ResponsePOJO response = objectMapper.readValue(json, ResponsePOJO.class);

            int rows = response.getRows();
            int columns = response.getColumns();
            int[][] data = response.getData();

            System.out.println("Rows: " + rows);
            System.out.println("Columns: " + columns);
            System.out.println("Data:");

            for (int i = 0; i < rows; i++) {
                for (int j = 0; j < columns; j++) {
                    System.out.print(data[i][j] + " ");
                }
                System.out.println();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class ResponsePOJO {
    private int rows;
    private int columns;
    private int[][] data;

    public int getRows() {
        return rows;
    }

    public void setRows(int rows) {
        this.rows = rows;
    }

    public int getColumns() {
        return columns;
    }

    public void setColumns(int columns) {
        this.columns = columns;
    }

    public int[][] getData() {
        return data;
    }

    public void setData(int[][] data) {
        this.data = data;
    }
}