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]}

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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]]}

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？（）

相关考题

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？（）