Armstrong number or not -programmingraja

 Aim:- Write a program in java to check whether  the number  provided by the user is Armstrong.

Software used:- Notepad, Command prompt

Program coding:-

class armstrong

{ 

        public static void main(String args[]) 

        { 

  

int d,n,sum=0;

n = Integer.parseInt(args[0]);

do

{

d=n%10;

n=(int)n/10;

sum=sum+d*d*d;

}

while(n>0);

n = Integer.parseInt(args[0]);

if(n==sum)

System.out.println(n+ "  is Armstrong"); 

else

System.out.println(n+ "  is not Armstrong"); 

   } 

}

Output:-