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kotlinlang

I had some hidden string formatting in one of my classes, and now that I want to write a test for it, I pulled it out into it's own class. It's your typical "Should I create a StringUtils class?" sort of question.

Should I have
```class StringUtil {
    fun getInitialsFromName(name: String): String {```
or just create

```class InitialGeneratorService {
    fun get(name: String): String {```
Or should it be a companion or just make a string extension method (seems easily abused though)

I'm definitely overthinking it, but approciate any advice

Usually util function in kotlin either a top-level function (remove StringUtil class declaration and move your fun outside) or member of an `object` (use `object StringUtil {`)

in case that's a real example and not a fictional one, <https://www.kalzumeus.com/2010/06/17/falsehoods-programmers-believe-about-names/>