For developers currently building or maintaining projects, you can find the latest stable releases (such as 5.8.44) and full documentation on the Hutool Maven Repository
to prevent resource exhaustion and buffer overflows. 🛡️ Refined API:
Historically, massive utility libraries became bloated with endless overloaded methods. Hutool v6 introduces a refreshing philosophy: . By pruning redundant signatures and grouping utilities systematically, the codebase achieves lower ambiguity and superior IDE autocompletion. Revised Package Classifications
Because with Hutool 3.9, as the Chinese saying goes, "磨刀不误砍柴工" (Sharpening the axe does not delay the job of cutting wood). Let the library do the heavy lifting, and focus on your business logic. hutool 39 new
The confusing matrix of random instantiation methods ( createXXX() , newXXX() , ofXXX() ) has been entirely standardized. Object generation across all modules now uniformly defaults to streamlined or ofXXX() semantic structural patterns. 3. The Re-Engineered HTTP Client Module
provided safer and easier-to-use wrappers for common encryption algorithms, reducing the risk of implementation errors. JSON Handling hutool-json
If you want, I can produce a changelog-style summary with concrete added/removed methods and package changes based on the 3.9 release notes — tell me if you want the full technical diff. The confusing matrix of random instantiation methods (
Most modules depend only on the Java standard library.
: Simplified the removal of duplicates from lists while maintaining order, a task that often requires verbose Java Stream code. 2. Improved StrUtil (String Utilities)
Fixed issues related to path handling in file operations, specifically dealing with symbolic links and cross-platform path separators. Impact: Developers working on file management systems or migration tools will find operations more reliable, especially on Linux/Unix systems. CsvWriter writer = CsvUtil.getWriter("users.csv"
: Addressed critical serialization issues, specifically enabling JSONUtil.toJsonStr to properly handle Java Records . Note that while serialization is supported, some developers have reported ongoing conversion exceptions when deserializing back into Records in this specific version.
CsvWriter writer = CsvUtil.getWriter("users.csv", CharsetUtil.CHARSET_UTF_8); writer.writeHeaderLine("ID", "Name", "Email"); writer.writeLine(userList.stream().map(u -> new Object[]u.getId(), u.getName(), u.getEmail()).toArray()); writer.close();
If you are looking to stay at the cutting edge of Java utility libraries, here is a deep dive into what’s new and why it matters.
This is where Hutool steps in. It is not a framework that dictates architecture like Spring; rather, it is a utilitarian layer that smooths over the jagged edges of the JDK. Version 5.8.39 encapsulates this ethos perfectly. It provides a suite of static method wrappers ( XxxUtil ) that turn complex operations into one-liners.