Hutool 39 [new] -

HuTool is a comprehensive Java tool class library that reduces code duplication and simplifies common tasks like file handling, encryption, and network communication.

If you’ve written Java for more than a week, you know the pain. You need to copy a file? 15 lines of try-catch-finally. You need to check if a string is empty? Two null checks and a trim. You need to call a REST API? HttpURLConnection boilerplate that makes your eyes bleed. hutool 39

Hutool 5.x

For new projects, consider (actively maintained). But for a solid, battle-tested utility library that just works , 3.9 remains a hidden gem. HuTool is a comprehensive Java tool class library

implementation 'cn.hutool:hutool-all:5.8.26' File I/O HTTP clients Data conversion Cryptography Date

• File I/O
• HTTP clients
• Data conversion
• Cryptography
• Date handling
• Reflection utilities
• Even simple Excel read/write