Easy-to-use wrappers for MD5, SHA, AES, and DES encryption. JsonUtil: Basic JSON parsing and generation. Maven Dependency If you are using Maven, add this to your pom.xml :
: It turns multiple lines of standard boilerplate into a single method call (e.g., file reading, date formatting). Modular Design Hutool 3.9
The name Hutool is derived from "Hu" (referencing the creator's former company) and "tool," which phonetically resembles the Chinese word for "muddle" (糊涂)—embracing a Zen-like philosophy of simplicity. Version 3.9 sits in the library's "Rapid Development Phase," where the project moved from a single massive JAR to a modular structure . Key Modules in Hutool 3.9 Easy-to-use wrappers for MD5, SHA, AES, and DES encryption
: Offers a streamlined way to make HTTP requests (GET, POST) without the complexity of traditional clients like Apache HttpClient. Modular Design The name Hutool is derived from
Simplifies the notoriously clunky Java date/time API.
com.xiaoleilu hutool-all 3.9.1 Use code with caution. Conclusion