@Nullable
  public static Long parseLongObj (@Nullable final String sStr)
  {
    return parseLongObj (sStr, DEFAULT_RADIX, null);
  }
@ Nullable public static Long parseLongObj ( @ Nullable final String sStr ) { return parseLongObj ( sStr , DEFAULT_RADIX , null ) ; }
Parse the given {@link String} as {@link Long} with radix
{@value #DEFAULT_RADIX}.

@param sStr
The string to parse. May be <code>null</code>.
@return <code>null</code> if the string does not represent a valid value.