kotlin named parameters
fun displayBorder(character: Char = '=', length: Int = 15) { for (i in 1..length) { print(character) } } fun main(args: Array<String>) { println("Output when no argument is passed:") displayBorder() println("nn'*' is used as a first argument.") println("Output when first argument is passed:") displayBorder('*') println("nn'*' is used as a first argument.") println("5 is used as a second argument.") println("Output when both arguments are passed:") displayBorder('*', 5) }