Hutool 3.9 //free\\ Jun 2026

Hutool 3.9 is particularly effective in the following domains:

The name "Hutool" is a combination of "Hu" (for tiger in Chinese, representing power and speed) and "Tool". Hutool 3.9 is designed under the philosophy of "minimal sweet spots," aiming to reduce code redundancy and eliminate the need for developers to constantly write repetitive utility classes ( Util.java ). Hutool 3.9

If you are currently planning a project or migrating an older system, I can provide more targeted examples.xml dependencies for specific Hutool modules, or see for performance? Share public link Hutool 3

Hutool 3.9.x was released circa late 2018 – early 2019 . The current major version is 5.x/6.x. This report focuses on features introduced and stabilized in the 3.9 branch. Share public link Hutool 3

While highly performant for its time, maintaining an application on Hutool 3.9 carries distinct disadvantages today:

Hutool derives its name from "Hu" (inspired by the Chinese word for "tiger," symbolizing strength) and "Tool." It is designed as an all-in-one utility hub. The philosophy behind Hutool is simple:

If you are maintaining a project that requires this specific version, you can add it via Maven: