toCharArray
Returns an array of Char containing all of the elements of this generic array.
fun Array<out Char>.toCharArray(): CharArray(source)
fun main() {
val chars: Array<Char> = arrayOf('K', 'o', 't', 'l', 'i', 'n')
val charArray: CharArray = chars.toCharArray()
println(charArray.joinToString(" ")) // Output: K o t l i n
}