Hutool 3.9 Work Guide

<dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>3.9.0</version> </dependency>

// 6. Encryption: Calculate MD5 String text = "password123"; String md5Hex = SecureUtil.md5(text); System.out.println("MD5 of 'password123': " + md5Hex); } Hutool 3.9

Hutool 3.9 was a utility library for JDK 8 projects. It significantly reduced Java verbosity for common tasks (file, date, HTTP, crypto, Excel). While deprecated by modern versions, it remains a solid choice for legacy systems frozen on JDK 8. &lt;dependency&gt; &lt;groupId&gt;cn

hutool Http 工具发送POST请求的几种方式。 - 稀土掘金 String md5Hex = SecureUtil.md5(text)