Zhège gōngjù lèi fēngzhuāng le chángjiàn de zìfúchuàn cāozuò.
This utility class wraps common string operations.
Tips
usage
类 lèi in OOP contexts means "class" (as in Java class). Outside programming it means "category / kind". So 工具类 is ambiguous in isolation — in code it's a utility class, in general writing it's a "tools category".
