Question:
Which line(s) would cause a compile time error?
public class TestServlet extends HttpServlet { //1
public void doGet(HttpServletRequest req, HttpServletResponse res)
//2
throws IOException, ServletException { //3
request.getSession().setAttribute("att1", "val1"); //4
session.setAttribute("att1", "val1"); //5
((HttpSession) request.getSession()).setAttribute("att1",
"val1"); //6
((HttpSession) session).setAttribute("att1", "val1"); //7
}
}
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