Coffee Cram: Mock Exam Chapter 6
Given:
10. public class MyServlet extends HttpServlet { 11. public void doGet(HttpServletRequest request, HttpServletResponse response) 12. throws IOException, ServletException { 13. // request.getSession().setAttribute("key", "value"); 14. // request.getHttpSession().setAttribute("key", "value"); 15. // ((HttpSession)request.getSession()).setAttribute("key", "value"); 16. // ((HttpSession)request.getHttpSession()).setAttribute("key", "value"); 17. } 18. }
Which line(s) could be uncommented without causing a compile or runtime error? (Choose all that apply.)
A.
Line 13 only.
B.
Line 14 only.
C.
Line 15 only.
D.
Line 16 only.
E.
Line 13 or line 15.
F.
Line 14 or line 16.
If a client will NOT accept a cookie, which session management mechanism could the web container employ? (Choose one.)
A.
Cookies, but NOT URL rewriting.
B.
URL rewriting, but NOT cookies.
C.
Either cookies or URL ...
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