@Override
    public String nextToken()
        throws NoSuchElementException
    {
        if (!hasMoreTokens() || _token==null)
            throw new NoSuchElementException();
        String t=_token.toString();
        _token.setLength(0);
        _hasToken=false;
        return t;
    }
@ Override public String nextToken ( ) throws NoSuchElementException { if ( ! hasMoreTokens ( ) || _token == null ) throw new NoSuchElementException ( ) ; String t = _token . toString ( ) ; _token . setLength ( 0 ) ; _hasToken = false ; return t ; }
/* ------------------------------------------------------------