returns true if the current token is the specified delimiter character . concode_field_sep StreamTokenizer tok concode_elem_sep Collection<String> keywords concode_field_sep boolean matchIntConstant concode_elem_sep String eatStringConstant concode_elem_sep void eatDelim concode_elem_sep int eatIntConstant concode_elem_sep boolean matchKeyword concode_elem_sep void nextToken concode_elem_sep void initKeywords concode_elem_sep boolean matchStringConstant concode_elem_sep void eatKeyword concode_elem_sep boolean matchId concode_elem_sep String eatId