Write a program to input a number and check whether it is Odious Number or not? (7…binary…111.no. of ones is 3 and it is odd.so it is odious no.)

77)  Write a program to input a number and check whether it is Odious Number or not? (7…binary…111.no. of ones is 3 and it is odd.so it is odious no.)

import java.util.*;

public class Odious_num

{

    public static void main(String args[ ])

   {

           Scanner sc = new Scanner (System.in);

           System.out.println("Enter a number");

           int b = sc.nextInt();

           int a = b;

           int r = 0;

           String c = "";

           while(a>=1)

           {

               if(a%2==0)

               {

                   c=c+"0";

               }

               else

               {

                   c=c+"1";

               }

               a=a/2;

           }

           int k = c.length();

           for(int i = k-1;i>=0;i--)

           {

               if(c.charAt(i)=='1')

               {

                   r++;

               }

           }

           if(r%2!=0)

           {

               System.out.println("Entered number is a ODIOUS Number");

           }

           else

           {

               System.out.println("Entered number is not a ODIOUS Number");

           }

   }

}

Output : 

odious-number

       Write a program to input a number and check whether it is Evil Number or not? (5...binary...101.no. of ones is 2 and it is even.so it is evil no.)