Hutool 39

ImgUtil.scale(FileUtil.file("origin.jpg"), FileUtil.file("thumb.jpg"), 0.5f);

Hutool is a ubiquitous library in the Chinese Java ecosystem (and increasingly global) that aims to replace all those scattered utility classes with one comprehensive toolkit. With the release of , the library continues its tradition of stability and developer convenience. hutool 39

A lightweight HTTP client wrapper (doesn't require Apache HttpClient dependencies). ImgUtil

: Use only the tools you need (Core, Setting, Log, etc.). : Use only the tools you need (Core, Setting, Log, etc

// 2. Formatting (Uses {} placeholder, similar to SLF4J) String template = "Hello, {}! Welcome to {}."; String result = StrUtil.format(template, "User", "Hutool Guide"); // Output: "Hello, User! Welcome to Hutool Guide."

: To make Java "sweet" by providing functional-style elegance and reducing the learning curve for complex APIs.

version (released in mid-2025), it is often discussed alongside the BMW HU Engineering Tool (Head Unit Tool) used for vehicle coding. Hutool 5.8.39 Java Library