Fibonacci in Kotlin

Published on 18 October 2018 (Updated: 09 October 2020)

Welcome to the Fibonacci 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

import kotlin.system.exitProcess

// First arg is number of iterations to run
fun main(args: Array<String>) {
    if (args.isNullOrEmpty() || args[0].toIntOrNull()?.takeIf { it >= 0 } == null) {
        println("Usage: please input the count of fibonacci numbers to output")
        return
    }

    val iterations = args[0].toInt()

    var j: Int
    var k = 0
    var l = 1

    for (i in 1..iterations) {
        println("$i: $l")

        j = k
        k = l
        l = j + k
    }
}

Fibonacci in Kotlin was written by:

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

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

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