Kotlin Do While Loop

Chapter: Kotlin Last Updated: 19-11-2017 14:02:49 UTC


            /* ............... START ............... */
fun main(args: Array<String>) {

    var sum: Int = 0
    var input: String

    do {
        print("Enter an integer: ")
        input = readLine()!!
        sum += input.toInt()

    } while (input != "0")

    println("Sum = $sum")

                /* ............... END ............... */


Enter an integer: 3
Enter an integer: 5
Enter an integer: 7
Enter an integer: 8
Enter an integer: 0
Sum = 23


  • do..while loop in Kotlin guarantees at least one execution of block of statements because loop evaluates the boolean expression at the end of the loop’s body.
  • Here the above program user input are taking by using readline() function inside the do while loop.
  • While loop outside the body of do will check whether the condition is true or not and iterate accordingly.
  • It will exits the loop when the while statement statement condition is false.


Do While Loop, Kotlin, Example Program

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