Zhège gōngjùlèi fēngzhuāng le chángjiàn de zìfúchuàn cāozuò.
This utility class wraps common string operations.
Tips
usage
类 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'.
