: Additions to IoUtil and FileUtil aimed at reducing the verbosity of stream handling and file system operations, such as more robust directory walking and faster stream piping.
Below is a report on the transition from Hutool 3.x to 4.x (the likely "upgrade" path from a 3.9 concept), and an overview of the library's capabilities. Hutool 3.9 UPD
It is highly probable that you are either: : Additions to IoUtil and FileUtil aimed at
Working with files in Java can be notoriously verbose. Hutool 3.9 streamlined this further: Hutool 3
| Feature | Java 17 JDK | Hutool 3.9 UPD | | :--- | :--- | :--- | | | Requires JavaMail + manual MIME | MailUtil.send() one-liner | | Captcha generation | Zero support | CaptchaUtil.createLineCaptcha() | | Tree structure building | Manual recursion | TreeUtil.build(list, "0") | | Parameter validation | Hibernate or manual | Validator.isChinese(name) |
But 30 minutes was too long. Every second, the Order Processing Tower was logging thousands of exceptions. The logs were filling disks. The monitoring alarms were screaming red.
Significant internal refactoring to speed up common string and collection operations.