单项选择题
Given a web application in which the cookie userName is expected to contain the name of the user.
Which EL expression evaluates to that user name?()
A.${userName}
B.${cookie.userName}
C.${cookie.user.name}
D.${cookies.userName[0]}
相关考题
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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"?()
A.${param.num[0],[1] and [2]}
B.${paramValues[0],[1] and [2]}
C.${param.num[0]}, ${param.num[1]} and ${param.num[2]}
D.${paramValues.num[0]}, ${paramValues.num[1]} and ${paramValues.num[2]}
E.${paramValues["num"][0]}, ${paramValues["num"][1]} and ${paramValues["num"][2]} -
多项选择题
Given: 11.<% java.util.Map map = new java.util.HashMap(); 12.request.setAttribute("map", map); 13.map.put("a", "true"); 14.map.put("b", "false"); 15.map.put("c", "42"); %> Which three EL expressions are valid and evaluate to true?()
A.${not map.c}
B.${map.d or map.a}
C.${map.a and map.d}
D.${map.false or map.true}
E.${map.a and map.b or map.a} -
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"?()
A.${vals.2}
B.${vals["2"]}
C.${vals.index}
D.${vals[index]}
E.${vals}[index]
F.${vals[vals[index-1]]}
