However, grammars that are not left recursive and are left factored may still not be LL(1). To see if a grammar is LL(1), try to build the parse table for the predictive parser by the method we are about to describe. If any element in the table c

多种电子琴功能，方便，快进，显示歌词，多种能力，设计精美，值得大家去下载-XML is a data format, a data format requires a parser which will resolve the information for you, XML is no exception. You can use SAX or DOM to build such a parser, certainly must first identify the data you need