Decimal to Binary Number

/* Using loops write a program that converts an integer number to its binary representation.
 * The input is entered as long. The output should be a variable of type string. */

import java.util.Scanner;

public class _14_DecimalToBinaryNumber {

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

        // Short variant:
        // String binaryNum = Long.toBinaryString(decNum);

        String binaryNum = convertDecimalNumberToBinaryString(decNum);

        System.out.println("That Decimal number in Binary system is: " + binaryNum);
    }

    private static String convertDecimalNumberToBinaryString(long number) {
        // TODO Auto-generated method stub
        String result = "";
        do {
            if ((number & 1) == 0) {
                result = "0" + result;
            } else {
                result = "1" + result;
            }

            number >>>= 1;
        } while (number > 0);

        return result;
    }

}