动态访问嵌套的JSONArray值

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class DynamicJSONArrayAccess {
    public static void main(String[] args) {
        // 示例JSON数据
        String jsonStr = "{\"employees\": [{\"firstName\":\"John\", \"lastName\":\"Doe\"}, {\"firstName\":\"Anna\", \"lastName\":\"Smith\"}]}";

        try {
            // 解析JSON数据
            JSONObject jsonObj = new JSONObject(jsonStr);
            JSONArray employees = jsonObj.getJSONArray("employees");

            // 动态访问嵌套的JSONArray值
            for (int i = 0; i < employees.length(); i++) {
                JSONObject employee = employees.getJSONObject(i);
                String firstName = employee.getString("firstName");
                String lastName = employee.getString("lastName");

                System.out.println("Employee " + (i + 1) + ": " + firstName + " " + lastName);
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }
}