Armstrong Number

 

import java.util.Scanner; 

import java.lang.Math; 

public class Main

{

     static boolean isArmstrong(int n)  

{  

int temp, digits=0, last=0, sum=0;  

 

temp=n;  

 

while(temp>0)   

{  

temp = temp/10;  

digits++;  

}  

temp = n;  

while(temp>0)  

{

last = temp % 10;  

sum +=  (Math.pow(last, digits));

temp = temp/10;  

} 

 

if(n==sum)

return true;

else return false;  

}  

   

   

 

public static void main(String args[])    

{    

int num;  

Scanner sc= new Scanner(System.in); 

System.out.print("Enter the limit: ");

num=sc.nextInt(); 

if(isArmstrong(num)) 

System.out.print(num+ " is armstrong Number "); 

}  

}