Basic-Types-Documentation

https://kotlinlang.org/docs/reference/basic-types.html



Operators-in-Kotlin

https://www.callicoder.com/kotlin-operators/



Control-Flows-Documentation

https://kotlinlang.org/docs/reference/control-flow.html



Functions-Documentation

https://kotlinlang.org/docs/reference/functions.html



Null-Safty-Documentation

https://kotlinlang.org/docs/reference/null-safety.html