public static void main(String [] args)
	{
		int test = BinaryToDecimal("10011011", 0);
		System.out.print(test);
	}

  	public static int BinaryToDecimal(String decimal, int location)
    {
    	if(decimal.length() == 0)
    	{
    		return 0;
    	}
    	else
    	{
    		if( decimal.charAt(decimal.length()-1) == '1')
    		{
    			return (int)Math.pow(2, location) + BinaryToDecimal(decimal.substring(0,decimal.length()-1), location+1);
    		}
    		else{
    			return BinaryToDecimal(decimal.substring(0,decimal.length()-1), location+1);
    		}
    	}
    }