Hutool 3.9 Jun 2026

implementation 'cn.hutool:hutool-all:3.9.0'

Hutool is a comprehensive Java tool library that simplifies coding by providing static method encapsulations for common development tasks. While the project is currently in the 5.x and 6.x release cycles, version 3.9 was a significant older release focusing on expanding its core utility modules. Hutool 3.9

: Advanced processing capabilities for formatting, parsing, and extracting time components. : Abstract classes for asymmetric encryption implementation 'cn

is an older release from March 2018, it helped lay the foundation for the library's reputation as a "Swiss Army Knife" for Java developers. Overview of Hutool Features Hutool 3.9