Decimal to Binary number

package com.JavaInterview.Programs;

/**
 * Find Out Factorial of a number
 * 
 * @author:http://javainterviewprograms.blogspot.in/
 * 
 */
import java.util.*;

public class DecimalToBinary {

 public void toBinary(int number) {

  int binary[] = new int[50];

  int index = 0;

  while (number > 0) {

   binary[index++] = number % 2;

   number = number / 2;

  }

  for (int i =index - 1;i>=0; i--) {

   System.out.print(binary[i]);

  }

 }

 public static void main(String argsp[]) {

  DecimalToBinary D2B = new DecimalToBinary();

  Scanner input = new Scanner(System.in);

  System.out.println("please enter Number :");

  int number = input.nextInt();

  System.out.println(number + " in Binary : ");

  D2B.toBinary(number);

 }

}

Output :

please enter Number :

23

23 in Binary : 

10111