多项选择题
A.Add attributes to the session object.
B.Add attributes on the request object.
C.Add parameters to the request object.
D.Use the pageContext object to add request attributes.
E.Add parameters to the JSP’s URL when generating the request dispatcher.
多项选择题 A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in athread-safe manner. Which two can support this design goal？（）
单项选择题 WhichJSTLcodesnippetcanbeusedtoimportcontentfromanotherwebresource？（）
多项选择题 You have been contracted to create a web site for a free dating service. One feature is the ability for oneclient to send a message to another client， which is displayed in the latter client’s private page. Your contract explicitly states that security is a high priority. Therefore， you need to prevent cross-site hacking inwhich one user inserts JavaScript code that is then rendered and invoked when another user views thatcontent. Which two JSTL code snippets will prevent cross site hacking in the scenario above？ （）