Armstrong Number

ArmstrongNumber.java

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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 (isArmstrong(number)) {
+            System.out.println(number + " is an Armstrong number.");
+        } else {
+            System.out.println(number + " is not an Armstrong number.");
+        }
+    }
+
+    //Check if a number is an Armstrong number
+    public static boolean isArmstrong(int num) {
+        int originalNumber, remainder, result = 0, n = 0;
+
+        originalNumber = num;
+
+        //Number of digits
+        for (originalNumber = num; originalNumber != 0; originalNumber /= 10) {
+            n++;
+        }
+
+        originalNumber = num;
+
+        // Sum of digits raised to a certain power of number of digits
+        while (originalNumber != 0) {
+            remainder = originalNumber % 10;
+            result += Math.pow(remainder, n);
+            originalNumber /= 10;
+        }
+
+        // Check if Result = Original number entered
+        return num == result;
+    }
+}