Q:

Kotlin program to find sum of digits of a number

belongs to collection: Kotlin Basic Programs

YasminRadwan26
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2022-07-13
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Given an integer number, we have to find the sum of all digits.

Example:

    Input:
    Number: 12345

    Output:
    Sum: 15

To find sum of all digits – we extract the digits and add them.

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YasminRadwan26
2022-07-13
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Program to find sum of digits of a number in Kotlin

package com.includehelp.basic

import java.util.*

/* function to get sum of digits */
fun getSumOfDigits(number: Int): Int {
    var number = number
    var sum = 0
    while (number > 0) {
        val r = number % 10
        sum += r
        number /= 10
    }
    return sum
}

// Main Function , Entry Point of Program
fun main(arg: Array<String>) {
    val sc = Scanner(System.`in`)
    
    // Input Number
    println("Enter Number  : ")
    val num: Int = sc.nextInt()
    
    //Call Function to get sum of digits
    val sumOfDigits = getSumOfDigits(num)
    // Print sumOfDigits
    println("Sum of Digits : $sumOfDigits")  
}

Output

Run 1:
Enter Number  :
12345
Sum of Digits : 15
-------
Run 2:
Enter Number  :
453456
Sum of Digits : 27

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