多项选择题
A.response.setHeader（"X-MyHeader"， "34"）；
B.response.addHeader（"X-MyHeader"， "34"）；
C.response.setHeader（new HttpHeader（"X-MyHeader"， "34"））；
D.response.addHeader（new HttpHeader（"X-MyHeader"， "34"））；
E.response.addHeader（new ServletHeader（"X-MyHeader"， "34"））；
单项选择题 Click the Exhibit button. Given the HTML form： 1. 2. 3. 4.Name： 5.Price： 6. 7. 8. 9. Assume the product attribute does NOT yet exist in any scope. Which code snippet， in submit.jsp，instantiates an instance of com.example.Product that contains the results of the form submission？（）
多项选择题 A JSP page needs to instantiate a JavaBean to be used by only that page. Which two jsp：useBeanattributes must be used to access this attribute in the JSP page？（）
单项选择题 Your web application views all have the same header， which includes the <title> tag in the <head> elementof the rendered HTML. You have decided to remove this redundant HTML code from your JSPs and put itinto a single JSP called /WEB-INF/jsp/header.jsp. However， the title of each page is unique， so you havedecided to use a variable called pageTitle to parameterize this in the header JSP， like this： 10.<title>${param.pageTitle}<title> Which JSP code snippet should you use in your main view JSPs to insert the header and pass thepageTitle variable？（）