Hutool 39 New Apr 2026

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.

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

import cn.hutool.http.HttpUtil;

Let me structure the guide accordingly, making sure each new feature is explained with context and examples. Also, highlight the benefits these features bring to developers.

import cn.hutool.json.JSONObject;

Wait, the user might not have specific information on what's new, so I should generalize based on Hutool's known capabilities. Maybe check official docs if available. Since I can't access them, I'll have to make educated guesses based on typical Java utility enhancements.

Let me start by checking existing documentation or changelogs for Hutool 3.9. Wait, the user might not provide it, so I'll have to assume based on common features that are typically added in library updates. Maybe they added some new utilities, improved existing ones, or enhanced performance. For example, perhaps there are new Date/Time utilities, better file handling, or improvements in Bean operations. hutool 39 new

Date date = DateUtil.parseIso8601("2023-10-10T12:30:45Z"); System.out.println(DateUtil.format(date, "yyyy-MM-dd HH:mm:ss"));