Convert Binary Code into Gray Code

package com;

import java.util.Scanner;
import java.util.Stack;

public class GrayCode {

/**
* @param args
*/

int index=0;
  int[] binary = new int[10];

  

 
/*
* convert from decimal to binary and print
*/
public void convertBinary(int dVal){
Stack<Integer> stack = new Stack<Integer>();
   while(dVal!=0){
    int d= dVal%2;
    stack.push(d);
    dVal=dVal/2;
   }
   while(!(stack.empty())){
    int p = stack.pop();
    binary[index++]=p;
   
       }
   System.out.print("Gray Code :");
   for(int i=0;i<=index-1;i++){ // Print Gray Code
    System.out.print(binary[i]);
   }
 
  }
public static void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("Enter Binary value :");
Scanner scr = new Scanner(System.in);
String bValue = scr.nextLine();
int dVal = Integer.parseInt(bValue, 2); // Convert from binary string to Decimal
System.out.println("Decimal value of the entered binary value : " +dVal);
dVal=dVal^(dVal>>1); // Algo to Convert into gray code
System.out.println("Decimal value converted into equivalent gray decimal value : "+dVal);
GrayCode gray = new GrayCode();
gray.convertBinary(dVal); // convert Gray code into binary
 
  //System.out.println(Integer.toBinaryString(124));
 
 
 
}

}