Hutool 3.9 «5000+ Validated»

import cn.hutool.core.collection.CollUtil; import cn.hutool.core.date.DateUtil; import cn.hutool.core.lang.Console; import cn.hutool.core.util.StrUtil; import cn.hutool.crypto.SecureUtil; import java.util.Date; import java.util.List;

// 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

// 3. CollUtil: safe operations on collections List<String> list = CollUtil.newArrayList("a", "b", "c"); Console.log("Join result: {}", CollUtil.join(list, "-")); import cn