Hutool: 39

, a recallable batch thread pool for more efficient resource management. Improved Assertions and HTTP Empty Collection Assertions methods to verify if a given collection is empty. Flexible HTTP Headers setIgnoreContentLength HttpConfig , allowing users to optionally ignore the contentLength header when reading responses. Database Management Global FetchSize : Added a global setting for

// 2. Parse String to Date (Auto-detect format) Date parsedDate = DateUtil.parse("2023-10-01");

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Hutool is built on the philosophy of making Java "sweet" and functional-style, focusing on three main goals:

Parses most common date formats automatically (ISO, yyyy-MM-dd, yyyy/MM/dd). hutool 39

// Current date Date now = DateUtil.date(); String today = DateUtil.today();

在Hutool早期的版本中，3.9.x是一段值得回味的篇章。3.x版本的主要特点是升级了依赖库、增加了新功能，并对性能进行了优化。

Whether you're working on microservices, enterprise applications, or quick prototypes, Hutool 5.8.39 provides the tools you need to write cleaner, more efficient Java code. For those who haven't yet discovered this "sweet" library, upgrading to version 5.8.39 might just be the productivity boost you've been looking for.

If you are developing complex enterprise backends or integrating contemporary large language models (LLMs) into a Java ecosystem, upgrading to provides an out-of-the-box infrastructure to write cleaner, more secure, and production-ready source code. , a recallable batch thread pool for more

Gets 00:00:00 of a given date. Perfect for date range queries.

Recursively list all files in a directory (excluding directories themselves).

// 集合：判空、合并、过滤 boolean isEmpty = CollUtil.isEmpty(list); CollUtil.addAllIfNotContains(list1, list2); List<String> filtered = CollUtil.filter(list, t -> t.length() > 2);

A simple JDBC wrapper that makes database interactions feel like working with standard objects. Database Management Global FetchSize : Added a global

Beyond public APIs, the Hutool 5.8.39 release documentation lists several low-level improvements designed to stabilize heavy enterprise workloads:

If you are migrating from older versions (v4 or v5.0), note these changes:

// Date conversion Date date = Convert.toDate("2020-01-01");