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单项选择题
A.Dispatcher view=context.getDispatcher(viewURL);view.forward Request(request, response);
B.Dispatcher view=request.getDispatcher(viewURL);view.forward Request(request, response);
C.RequestDispatcher view. =context.getRequestDispatcher(viewURL);view.forward(request,response);
D.RequestDispatcher view=request.getRequestDispatcher(viewURL);view.forward(request, response);
单项选择题
A.The init method on a filter is called the first time a servlet mapped to that filter is invoked.
B.A filter defined for a servlet must always forward control to the next resource in the filter chain.
C.Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file.
D.If the init method on a filter throws an UnavailableException, then the container will make no further attempt to execute it.
多项选择题
A.A filter must implement the destroy method.
B.A filter must implement the doFilter method.
C.A servlet may have multiple filters associated with it.
D.A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interface.
E.A filter that is part of a filter chain passes control to the next filter in the chain by invoking the FilterChain.forward method.
单项选择题
A.<a href=’mailto:${contextParam.webmasterEmail}’>contact us</a>
B.<a href=’mailto:${applicationScope.webmasterEmail}’>contact us</a>
C.<a href=’mailto:${contextInitParam.webmasterEmail}’>contact us</a>
D.<a href=’mailto:${initParam.webmasterEmail}’>contact us</a>
单项选择题
A.<%@ page mimeType="text/plain" %>
B.<%@ page contentType="text/plain" %>
C.<%@ page pageEncoding="text/plain" %>
D.<%@ page contentEncoding="text/plain" %>
E.<% response.setEncoding("text/plain"); %>
单项选择题
A.<jsp:include page=’/WEB-INF/jsp/header.jsp’><jsp:param name=’pageName’ value=’Welcome Page’ /> </jsp:include>
B.<jsp:import page=’/WEB-INF/jsp/header.jsp’><jsp:param name=’pageName’ value=’Welcome Page’ /> </jsp:import>
C.<jsp:include page=’/WEB-INF/jsp/header.jsp’><jsp:attribute name=’pageName’ value=’Welcome Page’ /> . </jsp:include>
D.<jsp:import page=’/WEB-INF/jsp/header.jsp’>. <jsp:attribute name=’pageName’ value=’Welcome Page’ /> . </jsp:import>
单项选择题
A.It avoids initialization on the first request.
B.It provides the ability to debug runtime errors in the application.
C.It provides better performance on the first request for the JSP page.
D.It avoids execution of the _jspService method on the first request.
单项选择题
A.<!-- this is a comment -->
B.<% // this is a comment %>
C.<%-- this is a comment --%>
D.<% /** this is a comment **/ %>