Deploying gives engineering teams immediate access to better memory optimization tools, enhanced AI connectivity, and reliable compliance utilities. Upgrading minimizes custom boilerplate code and helps maintain clean, readable enterprise software architectures.
Update to Hutool 6.0.0.M39 today. Your fingers (and your CPU) will thank you.
: Splits raw character data with minimal memory footprints, limiting heap array fragmentation.
: Improved timeout management for better reliability in networked AI requests.
Protect personal identifiable information (PII) without writing complex string manipulations: hutool 39 new
List<String> lines = new ArrayList<>(); try (BufferedReader br = new BufferedReader(new FileReader("data.txt"))) String line; while ((line = br.readLine()) != null) if (line.trim().length() > 0) lines.add(line.toUpperCase());
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Seamless session tracking across sequential requests.
While Java 8 introduced Optional , Hutool 3.9’s ObjectUtil provides a faster, non-heap-allocated alternative for high-performance scenarios. Deploying gives engineering teams immediate access to better
The updated Convert registry safely handles complex nested type maps without needing explicit typecast assertions.
The universal type conversion utility Convert receives a series of new target mapping types. Handling primitive arrays, complex multi-dimensional collections, and custom POJOs is now possible via single-line utility calls without requiring manual casting logic.
Let’s dissect what makes "new," why you should upgrade, and how these specific features solve real-world coding frustrations.
: Stream processing is critical for keeping user interfaces responsive. The library now natively supports standard Server-Sent Events (SSE) combined with a flexible functional callback mechanism. Your fingers (and your CPU) will thank you
The 3.9 version introduced automatic flushing and better character escaping (for commas inside fields).
<dependency> <groupId>cn.hutool</groupId> <artifactId>hutool-all</artifactId> <version>3.9.0</version> </dependency>
：修复了 CharsequenceUtil.toLowerCase 方法中存在的拼写错误，避免开发者误用。