Hutool 3.9 -

This version is often cited as a "gold standard" because it provides a bridge to modern development patterns while remaining fully compatible with older environments. What Makes Hutool "Sweet"?

Hutool introduced Convert.toXxx() :

// 2. StrUtil: check if string is blank String input = " Hutool 3.9 "; if (StrUtil.isNotBlank(input)) { Console.log("Trimmed: '{}'", StrUtil.trim(input)); } hutool 3.9

Hutool 3.9 takes security seriously, and the library includes several security-related improvements: This version is often cited as a "gold