21) Write a Program to check whether the input number is Armstrong or not .

Program

 import java.util.Scanner;
 public class ArmEx {

    public static void main(String[] args) {

        int num, number, temp, total = 0;
        System.out.println("Enter 3 Digit Number");
        Scanner scanner = new Scanner(System.in);
        num = scanner.nextInt();
        scanner.close();
        number = num;

        for( ;number!=0;number /= 10)
        {
            temp = number % 10;
            total = total + temp*temp*temp;
        }

        if(total == num)
            System.out.println(num + " is an Armstrong number");
        else
            System.out.println(num + " is not an Armstrong number");
    }
}

 
   

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