xml问题？？？

Question

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder bd = dbf.newDocumentBuilder();
    
    Document doc=bd.parse("../../../study/xml/test.xml");

Answer 1

<%@ page import="javax.xml.parsers.DocumentBuilder" %>
<%@ page import="javax.xml.parsers.DocumentBuilderFactory"%>
但出现：
/xmltest.jsp:10: Class DocmentBuilderFactory not found.
        DocmentBuilderFactory domFactory=DocumentBuilderFactory.newInstance();
        ^
/xmltest.jsp:13: Class DocmentBuilder not found.
        DocmentBuilder domBuilder=domFactory.newDocumentBuilder();