New Kotlin User Problem

Question

Can someone learn Kotlin without knowing Java class? How to clear someone's concept about class while learning Kotlin?

Answer 1

You don't need Java to learn Kotlin. However, knowing any language makes learning another easier. The Kotlin course here is not complete so having a prior language would significantly help. However, after doing what is available here, you could do another elsewhere. I suggest this one:
https://kotlinlang.org/docs/tutorials/