public static String removeLeadingZeros(String str)
{
if (str == null)
{
return null;
}
char[] chars = str.toCharArray();
int index = 0;
for (; index < str.length();index++)
{
if (chars[index] != '0')
{
break;
}
}
return (index == 0) ? str :str.substring(index);
}



