7. Count of Bits One

import java.util.Scanner;


public class CountOfBitsOne {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter an integer number: ");
        String value = Integer.toBinaryString(sc.nextInt());

        int count = 0;
        for (int i = 0; i < value.length() ; i++) {
            if(value.charAt(i) == '1')
                count++;
        }
        System.out.println(count);

    }

}