Java_TImePass_Practice/Program16.java at main · Priyanshu845438/Java_TImePass_Practice

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// Day 3 - Week 1

// Write a program to find the sum of digits of a number until the sum become a single digit.

import java.util.Scanner;

public class Program16 {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

System.out.print("Enter a number: ");

int number = scanner.nextInt();

int sum = 0;

while(number > 0 || sum > 9){

if(number == 0) {

number = sum;

sum = 0;

}

sum += number % 10;

number /= 10;

}

System.out.println("The sum of digits until a single digit is: " + sum);

}

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