Write a program in JAVA to input a number and check if it is armstrong or not

   

Write a program  in JAVA to input a number and check if it is  armstrong or not

Armstrong Number : Armstrong number is a number that is equal to the sum of cubes of its digits. For example 0, 1, 153, 370, 371 and 407 are the Armstrong numbers

import java.io.*;

public class Armstrong {

public static void main(String[] args)throws IOException {

BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));

System.out.print("Enter a Positive Number : ");

int num=Integer.parseInt(obj.readLine());

int ldigit,cube=0;

int temp=num;

while (temp!=0) {

ldigit=temp%10;

cube+=ldigit*ldigit*ldigit;

temp=temp/10;

}

if (cube == num) {

System.out.println(num+" Is Armstrong Number");

} else {

System.out.println(num+" Is Not an Armstrong Number");

}

}

}

OUTPUT

1. 

     Enter A Number : 371

     371 is armstrong number 

2. 

     Enter A Number : 476

     476 is not a armstrong number