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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