Just like most modern languages, Kotlin supports single-line (or end-of-line) and multi-line (block) comments. Block comments in Kotlin can be nested. See Documenting Kotlin Code for information on the documentation comment syntax.
get started with kotlin and kotlin playground which is available online and doean't require an IDE to run kotlin project, its best for beginner in kotlin
get started with kotlin and intellij kotlin. Setup intellij to create kotlin project. intellij is official IDE available for kotlin projects download now
Setup command line compiler for kotlin to run kotlin codes from CLI without using IDE. How to run kotlin from command line.
How to access Java private field in Kotlin extension function. fix we can't access private field from kotlin extension function.