Hutool 3.9 [upd] Jun 2026

Converting dates into "3 minutes ago" or "Yesterday" formats. 2. String and Character Manipulation ( StrUtil )

Hutool由内蒙古开发者路小磊于2014年4月创建，起初只是个人项目中“util”包的整理，后来逐渐吸收了大量开源项目的精粹，发展成了功能全面的Java工具库。

Hutool的字符串处理能力非常强大。 StrUtil 提供了数百个静态方法，从判空到格式化、从截取到转义，应有尽有。 Hutool 3.9

// MD5 and SHA-256 Hashing String md5Hex = SecureUtil.md5("my_secure_password"); String sha256Hex = SecureUtil.sha256("my_secure_password"); // Quick AES Symmetric Encryption AES aes = SecureUtil.aes(); byte[] encryptBytes = aes.encrypt("Secret Data"); String decryptStr = aes.decryptStr(encryptBytes); Use code with caution. 5. Fluent HTTP Requests ( HttpUtil )

Hutool has become a go-to library for Java developers due to its: Converting dates into "3 minutes ago" or "Yesterday" formats

With the release of (part of the 3.x line), the library cemented its reputation as a reliable, comprehensive, and user-friendly toolset. This article explores the core features, advantages, and significant improvements in Hutool 3.9, explaining why it remains a popular choice for many developers. What is Hutool?

, allowing developers to easily implement pruning strategies. : Broad support for manipulation, Collection Networking : Built-in HTTP clients What is Hutool

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Hutool is a popular Java library that provides a wide range of utility functions and tools to simplify Java development. Here are some key features and updates in Hutool 3.9:

Hutool的成长得益于其活跃的社区。无论是通过 中文文档 备用文档 学习，还是参与 Gitee GitHub 上的讨论，都能获得支持。完善的也是Hutool的一大特色，它降低了国内开发者的学习门槛，即使英语能力薄弱的开发者也能够轻松阅读文档与源码，让编程“甜甜的”同时更加亲民。

It provides comprehensive wrappers for common Java tasks, including date/time processing, collection manipulation, file I/O, encryption, and string processing.