A.It may iterate over arrays, collections, maps, and strings.
B.The body of the tag may contain EL code, but not scripting code.
C.When looping over collections, a loop status object may be used in the tag body.
D.It may iterate over a map, but only the key of the mapping may be used in the tag body.
E.When looping over integers (for example begin=’1’ end=’10’), a loop status object may not be used inthe tag body.
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Click the Exhibit button.
Assuming the tag library in the exhibit is imported with the prefix stock,which custom tag invocation outputsthe contents of the variable exposed by the quote tag?()
A.<;stock:quote&ensp;symbol=";SUNW";&ensp;/>;${var}
B.${var}.&ensp;<;stock:quote&ensp;symbol=";SUNW";&ensp;/>;
C.<;stock:quote&ensp;symbol=";SUNW";>;.&ensp;${var}.&ensp;<;/stock:quote>;
D.<;stock:quote&ensp;symbol=";SUNW";&ensp;var=";quote";&ensp;/>;${quote}
A JSP page contains a taglib directive whose uri attribute has the value dbtags.
Which XML element withinthe web application deployment descriptor defines the associated TLD?()
A.<tld><uri>dbtags</uri><location>/WEB-INF/tlds/dbtags.tld</location></tld>
B.<taglib><uri>dbtags</uri><location>/WEB-INF/tlds/dbtags.tld</location>. </taglib>
C.<tld>. <tld-uri>dbtags</tld-uri>. <tld-location>/WEB-INF/tlds/dbtags.tld</tld-location> . </tld>
D.<taglib><taglib-uri>dbtags</taglib-uri><taglib-location>/WEB-INF/tlds/dbtags.tld. </taglib-location>. </taglib>
Assume the custom tag my:errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page.
Which option prevents the exceptionthrown by my:errorProne from invoking the error page mechanism, and outputs the message "File notfound" in the response?()
A.<c:try catch="ex"><my:errorProne /></c:try>${ex.message}
B.<c:catch var="ex"><my:errorProne /></c:catch>${ex.message}
C.<c:try>. <my:errorProne />. </c:try>. <c:catch var="ex" />. ${ex.message}
D.<c:try>. <my:errorProne />. <c:catch var="ex" />. ${ex.message}. </c:try>
You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object.
Which two JSP code snippets can you use to import these list types?()
A.<%! import java.util.*; %>
B.<%! import java.util.List;import java.util.ArrayList; %>
C.<%@ page import=’java.util.List’import=’java.util.ArrayList’ %>
D.<%@ import types=’java.util.List’types=’java.util.ArrayList’ %>
E.<%@ page import=’java.util.List,java.util.ArrayList’ %>
F.<%@ import types=’java.util.List,java.util.ArrayList’ %>
You are creating a new JSP page and you need to execute some code that acts when the page is firstexecuted, but only once.
Which three are possible mechanisms for performing this initialization code?()
A.In the init method.
B.In the jspInit method.
C.In the constructor of the JSP’s Java code.
D.In a JSP declaration, which includes an initializer block.
E.In a JSP declaration, which includes a static initializer block.
最新試題
A web application allows the HTML title banner to be set using a servlet context initialization parametercalled titleStr.Which two properly set the title in this scenario?()
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Which ensures that a JSP response is of type "text/plain"?()
Click the ’Select and Place’ button.Place the events in the order they occur.
Which element of a web application deployment descriptor element is required?()
Click the ’Select and Place’ button.Place the events in the order they occur.
A web browser need NOT always perform a complete request for a particular page that it suspects mightNOT have changed. The HTTP specification provides a mechanism for the browser to retrieve only a partialresponse from the web server; this response includes information, such as the Last-Modified date but NOTthe body of the page.Which HTTP method will the browser use to retrieve such a partial response?()
You are building a dating service web site. Part of the form to submit a client’s profile is a groupIIof radio buttons for the person’s hobbies:20.<input type=’radio’ name=’hobbyEnum’ value=’HIKING’>Hiking <br>21.<input type=’radio’ name=’hobbyEnum’ value=’SKIING’>Skiing <br>22.<input type=’radio’ name=’hobbyEnum’ value=’SCUBA’>SCUBA Diving23.<!-- and more options -->After the user submits this form, a confirmation screen is displayed with these hobbies listed. Assume thatan application-scoped variable, hobbies, holds a map between the Hobby enumerated type and the displayname.Which EL code snippet will display Nth element of the user’s selected hobbies?()
You are building a dating web site. The client’s date of birth is collected along with lots of other information.The Person class has a derived method, getAge():int, which returns the person’s age calculated from thedate of birth and today’s date. In one of your JSPs you need to print a special message to clients within theage group of 25 through 35.Which two EL code snippets will return true for this condition? ()
You are building a web application with a scheduling component. On the JSP, you need to show the currentdate, the date of the previous week, and the date of the next week. To help you present this information,you have created the following EL functions in the ’d’ namespace: name: curDate; signature: java.util.DatecurrentDate() name: addWeek; signature: java.util.Date addWeek(java.util.Date, int) name: dateString;signature:java.util.String getDateString(java.util.Date)Which EL code snippet will generate the string for the previousweek?