Armstrong number

armstrongnumber

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+import java.util.Scanner;
+
+public class ArmstrongNumber {
+ public static void main(String[] args) {
+ Scanner scanner = new Scanner(System.in);
+ System.out.print("Enter a number: ");
+ int number = scanner.nextInt();
+ scanner.close();
+
+ if (isArmstrongNumber(number)) {
+ System.out.println(number + " is an Armstrong number.");
+ } else {
+ System.out.println(number + " is not an Armstrong number.");
+ }
+ }
+
+ // Function to check if a number is an Armstrong number
+ public static boolean isArmstrongNumber(int num) {
+ int originalNumber, remainder, result = 0;
+ int n = 0;
+
+ originalNumber = num;
+
+ // Find the number of digits in the number
+ for (originalNumber = num; originalNumber != 0; originalNumber /= 10, ++n);
+
+ originalNumber = num;
+
+ // Calculate the result
+ while (originalNumber != 0) {
+ remainder = originalNumber % 10;
+ result += Math.pow(remainder, n);
+ originalNumber /= 10;
+ }
+
+ // Check if num is equal to the result
+ return result == num;
+ }
+}