单项选择题
A.${userName}
B.${cookie.userName}
C.${cookie.user.name}
D.${cookies.userName[0]}
多项选择题 Given: http://com.example/myServlet.jsp?num=one&num=two&num=three. Which two produce the output"one, two and three"?()
多项选择题 Given: 11.<% java.util.Map map = new java.util.HashMap(); 12.request.setAttribute("map", map); 13.map.put("a", "true"); 14.map.put("b", "false"); 15.map.put("c", "42"); %> Which three EL expressions are valid and evaluate to true?()
多项选择题 Given: 11.<% 12.request.setAttribute("vals", new String[]{"1","2","3","4"}); 13.request.setAttribute("index", "2"); 14.%> 15.<%-- insert code here --%> Which three EL expressions, inserted at line 15,are valid and evaluate to "3"?()