Question

write a program to in input a number. Find the sum of digits and the number of digits .Display the output.

Answer 1

public class SumOfDigits{ public static void main(String args[]) { Scanner sc = new Scanner(System.in); System.out.println("Please enter a number to calculate sum of digits"); int number = sc.nextInt(); // Remember number/10 reduces one digit from number // and number%10 gives you last digit int sum = 0; int input = number; while (input != 0) { int lastdigit = input % 10; sum += lastdigit; input /= 10; } System.out.printf("Sum of digits of number %d is %d", number, sum); // closing Scanner to prevent resource leak sc.close(); } }