If you are looking for "Hutool 39," you are likely looking for the modern, active version of the library (specifically versions like 5.8.11+ which require JDK 1.8+). Hutool is a popular Java utility library that simplifies JDK standard operations.
Then start coding like Java was meant to be: productive, not pedantic. hutool 39
Hutool is organized into modules. Here are the most commonly used tools. If you are looking for "Hutool 39," you
Hutool 39, officially known as the "Hutool 39-Step Journey," represents one of the most comprehensive and community-driven roadmaps in the evolution of open-source Java utility libraries. Created as a celebration of the project’s growth, this initiative serves as both a technical checklist and a symbolic milestone for developers who seek to simplify the complexities of the Java ecosystem. By examining the 39 points of focus within the Hutool ecosystem, one can understand the broader philosophy of modern software development: reducing boilerplate code while maintaining high performance and modular flexibility. No CollUtil streaming methods (added in 4
// Copy file with one line FileUtil.copy("d:/test.txt", "d:/test2.txt", true); // Read content List lines = FileUtil.readLines("d:/test.txt", "UTF-8"); Use code with caution. Copied to clipboard 3. HTTP Requests
Third-party wrappers for things like mail, templates, and QR codes. Recent Security Context
CollUtil streaming methods (added in 4.x).BeanUtil.copyProperties with CopyOptions (added in 4.x).DateUtil.beginOfDay() → use DateUtil.beginOfDay(Date).org.slf4j.Logger – you must provide an SLF4J binding.