1246         int radix = 10;

  1246         int radix = 10;

  1247         int index = 0;

  1247         int index = 0;

  1248         boolean negative = false;

  1248         boolean negative = false;

  1249         Long result;

  1249         Long result;

  1250 

  1250 

  1252             throw new NumberFormatException("Zero length string");

  1252             throw new NumberFormatException("Zero length string");

  1253         char firstChar = nm.charAt(0);

  1253         char firstChar = nm.charAt(0);

  1254         // Handle sign, if present

  1254         // Handle sign, if present

  1255         if (firstChar == '-') {

  1255         if (firstChar == '-') {

  1256             negative = true;

  1256             negative = true;