Number Operations (Sum, Count, Reverse) Using Loop in Java
java
dev.to
Sum of Digits java public class Main { public static void main(String[] args) { int num = 1234, sum = 0; while (num > 0) { sum += num % 10; num =num/ 10; } System.out.println("Sum = " + sum); } } output 2. Count of Digits java public class Main { public static void main(String[] args) { int num = 1234, count = 0; while (num > 0) { num =num/ 10; count++; }