Reverse String in Kotlin

Published on 20 October 2018 (Updated: 20 October 2018)

Welcome to the Reverse String in Kotlin page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

fun main(args: Array<String>){
  // Get input, or use default value
  val targetValue = when (args.size > 0 && !args[0].isNullOrBlank()) {
    true -> args[0]
    false -> ""
  // Kotlin provides a simple `reversed()` function in the standard
  // library for all String/CharSequence objects

Reverse String in Kotlin was written by:

If you see anything you'd like to change or update, please consider contributing.

Note: The solution shown above is the current solution in the Sample Programs repository as of Mar 19 2023 22:24:49. The solution was first committed on Oct 20 2018 12:01:39. As a result, documentation below may be outdated.

How to Implement the Solution

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How to Run the Solution

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