Count of Bits One

/* 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 _07_CountOfBitsOne {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter a Integer number: ");
        int number = scan.nextInt();

        // Short variant:
        // int bitsCounter = Integer.bitCount(number);

        // Other simple variant:
        int bitsCounter = 0;
        while (number != 0) {
            int bitValue = number & 1;
            if (bitValue > 0) {
                bitsCounter++;
            }

            number >>>= 1;
        }

        System.out.println("The Count of bits 1 in that number is: " + bitsCounter);
    }

}