Utility class design

Recommended approach

object MyUtil {
    @JvmStatic fun foo() {
        // ...
    }
}

• 1 class only
• Only static calls

Sources

• https://proandroiddev.com/utils-class-in-kotlin-387a09b8d495
• https://stackoverflow.com/questions/51811391/utils-class-in-kotlin
• https://stackoverflow.com/questions/53113401/util-class-in-kotlin-best-approach
• https://www.reddit.com/r/Kotlin/comments/bo9mkj/utility_class_styles_in_kotlin/
• https://stackoverflow.com/questions/49688571/can-the-parameter-in-data-class-be-var-in-kotlin