單項(xiàng)選擇題

You are building a dating web site. The client’s date of birth is collected along with lots of other information.You have created an EL function with the signature：
calcAge（java.util.Date）：int and it is assigned to the name， age， in the namespace， funct. In one of your JSPsyou need to print a special message to clients who are younger than 25.
Which EL code snippet will returntrue for this condition？（）

A.${calcAge（client.birthDate） < 25}
B.${calcAge[client.birthDate] < 25}
C.${funct：age（client.birthDate） < 25}
D.${funct：age[client.birthDate] < 25}
E.${funct：calcAge（client.birthDate） < 25}

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單項(xiàng)選擇題

You are creating an error page that provides a user-friendly screen whenever a server exception occurs.You want to hide the stack trace， but you do want to provide the exception’s error message to the user sothe user can provide it to the customer service agent at your company.
Which EL code snippet inserts thiserror message into the error page？（）

A.Message： ${exception.message}
B.Message： ${exception.errorMessage}
C.Message： ${request.exception.message}
D.Message： ${pageContext.exception.message}
E.Message： ${request.exception.errorMessage}

多項(xiàng)選擇題

Click the Exhibit button.

Given：
11.<% com.example.Advisor advisor = new com.example.Advisor（）； %>
12.<% request.setAttribute（"foo"， advisor）； %>
Assuming there are no other "foo" attributes in the web application，which three are valid EL expressions forretrieving the advice property of advisor？（）

A.${foo.advice}
B.${request.foo.advice}
C.${requestScope.foo.advice}
D.${requestScope[foo[advice]]}
E.${requestScope["foo"]["advice"]}

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