Counts of bits (Java)

import java.util.Scanner;

public class CountBits07 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        String inBits = Integer.toBinaryString(n);
        int count = 0;
        for (int i = 0; i < inBits.length(); i++) {
            if (inBits.charAt(i) == '1') {
                count++;
            }
        }

        System.out.println(count);
    }
}