CountOfBitsOne

/*7.Write a program to calculate the count of bits 1 in the
 binary representation of given integer number n.*/

import java.util.Scanner;

public class CountOfBitsOne {
    public static void main(String[] args){

        Scanner input = new Scanner(System.in);
        System.out.println("Enter a positive integer number!");
        int num =input.nextInt();
        int counter = 0;
        String binNum = Integer.toBinaryString(num);
        char[] binNumChar =binNum.toCharArray();

        for (int i = 0; i < binNumChar.length; i++) {
            if (binNumChar[i]=='1') {
                counter++;
            }
        }
        System.out.println(counter);
    }
}