kotlin-stdlib / kotlin.text / random random Common JVM JS Native 1.3 fun CharSequence . random ( ) : Char (source) Returns a random character from this char sequence. Exceptions NoSuchElementException - if this char sequence is empty. Common JVM JS Native 1.3 fun CharSequence . random ( random : Random ) : Char (source) Returns a random character from this char sequence using the specified source of randomness. Exceptions NoSuchElementException - if this char sequence is empty.