Hutool 39 New 100%

Map<String, Object> map = new HashMap<>(); map.put("user.name", "Alice"); map.put("user.age", 30);

Check for other possible features. Maybe they improved the HttpUtil for asynchronous requests or better error handling. Or added new data structure utilities, like a custom List implementation.

Need to ensure the examples are syntactically correct. For instance, using the new DateUtil method:

import cn.hutool.core.date.DateUtil;

Then, best practices: How to integrate these new features into codebase, performance considerations, avoiding common pitfalls.

import cn.hutool.json.JSONObject;