在HttpServletRequest接口中,用于获取Servlet映射路径的方法是()
A. getMethod()
B. getPathInfo()
C. getContextPath()
D. getServletPath()
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在HttpServletRequest接口中,getParameterValues(Stringname)方法的返回值类型是()
A. Object[]
B. String[]
C. String
D. Object
阅读下面代码片段:Servlet1:response.setHeader(“Content-Type”,“text/html;charset=utf-8”);response.getOutputStream().write(“传智”.getBytes(“utf-8”));request.getRequestDispatcher(“/Servlet2”).forward(request,response);Servlet2:response.getOutputStream().write(“播客”.getBytes(“utf-8”));当使用浏览器访问Servlet1时会什么结果()
A. 浏览器输出“传智播客”均正常无乱码
B. 浏览器输出“传智”为乱码,输出“播客”正常
C. 浏览器输出“传智”正常,输出“播客”乱码
D. 浏览器输出“播客”正常
阅读下面代码片段:PublicvoiddoPost(HttpServletRequestrequest,HttpServletResponseresponse)ThrowsServletExceptin,IOExceptin{______________________________________//此处填写代码}下面选项中,可以正确得到RequestDispatcher的对象的是()
A. RequestDispatcherdispatcher=response.getRequestDispatcher(“/text.jsp”);
B. RequestDispatcherdispatcher=newRequestDispatcher();
C. RequestDsipatcherdispatcher=request.getRequestDispatcher(“/test.jsp”);
D. RequestDispatcherdispatcher=RequestDispatcher.getInstance();
下面选项中,如果请求消息中没有包含指定的头字段,则HttpServletRequest接口中getHeader(Stringname)方法的返回值是()
A. “”";i:1;N,"空格
B. none
C.
D. .