static public String numberToString(Number n) throws JSONException {
  if (n == null) {
    throw new JSONException("Null pointer");
  }
  testValidity(n);
  String s=n.toString();
  if (s.indexOf('.') > 0 && s.indexOf('e') < 0 && s.indexOf('E') < 0) {
    while (s.endsWith("0")) {
      s=s.substring(0,s.length() - 1);
    }
    if (s.endsWith(".")) {
      s=s.substring(0,s.length() - 1);
    }
  }
  return s;
}

static public String numberToString ( Number n ) throws JSONException { if ( n == null ) { throw new JSONException ( "Null pointer" ) ; } testValidity ( n ) ; String s = n . toString ( ) ; if ( s . indexOf ( '.' ) > 0 && s . indexOf ( 'e' ) < 0 && s . indexOf ( 'E' ) < 0 ) { while ( s . endsWith ( "0" ) ) { s = s . substring ( 0 , s . length ( ) - 1 ) ; } if ( s . endsWith ( "." ) ) { s = s . substring ( 0 , s . length ( ) - 1 ) ; } } return s ; }
produce a string from a number .
