: Includes JSON, HTTP client, JDBC, and string manipulation ( StrUtil ). Context for Version 3.9
：HttpUtil提供了简洁的HTTP客户端功能，无需手动处理连接管理等底层细节。
Hutool's goal is to make Java coding "sweet," reducing boilerplate code, lowering API learning costs, and bringing a touch of functional language elegance to Java. It is a friendly alternative to the traditional "util" package in projects, saving encapsulation time and avoiding bugs caused by imperfect encapsulation.
It was a narrow bug. It only appeared on a specific OpenJDK build, on Thursdays, when the system locale was set to "zh_CN" and the moon was waxing gibbous. Well, almost. It was rare, but for the three financial companies using Hutool to process billions of transactions, it was a silent killer. Hutool 3.9 UPD
Hutool 3.9 UPD fixed the long-standing DateUtil.offset() timezone bug. More importantly, it added:
WatchUtil.createModify(myPath, (event) -> System.out.println("File modified: " + event.context()); ).start();
: Improvements were made to BeanUtil , specifically regarding more flexible property copying and deep conversion between Java beans and maps. : Includes JSON, HTTP client, JDBC, and string
You can integrate the library into your project using Maven Central or Gradle:
The you are trying to automate (e.g., file compression, API calls) Any build tool errors (Maven/Gradle) you are encountering I can write custom code snippets tailored to your setup! Share public link
Use DateUtil.beginOfDay(date, TimeZone.getTimeZone("GMT+8")) . It was a narrow bug
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Hutool最早由内蒙古开发者路小磊于2014年4月创建，最初只是他个人项目中"util"包的整理。随着功能的不断丰富和完善，Hutool逐渐成长为Java社区中最受欢迎的国产工具库之一。它的核心理念是：开源、精简、实用、便捷，通过模块化设计和零依赖特性，让开发者能够"开箱即用"地解决日常开发中的重复问题。