Hutool 3.9 ((link)) Jun 2026

The Hutool 3.9 release brings several exciting updates, enhancements, and bug fixes. Here are some of the key highlights:

hutool Http 工具发送POST请求的几种方式。 - 稀土掘金 Hutool 3.9

Today, we are taking a deep dive into —a version line that, for many teams, represents the perfect blend of stability and modernity. For those still on Java 8 (or migrating to 11), and looking for a toolkit that reduces boilerplate code by thousands of lines, Hutool 3.9 is a game-changer. The Hutool 3

One of the most interesting aspects of the 3.9 build was its strict adherence to a zero-dependency One of the most interesting aspects of the 3

We recently refactored a financial dashboard application. Originally, the codebase was a mess of SimpleDateFormat threadsafety issues and homemade StringUtil classes. We introduced Hutool 3.9 (not 5.x, to avoid permission issues with the security manager).

Provided the foundation with essential utilities for reflections, generic types, and beans.