单项选择题
Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly，the consultant created several dozen JSP pages that directly communicate with the database. The Squeakybusiness team has since purchased a set of business objects to model their system， and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the newsystem.
Which pattern can the developer use to solve this problem？（）
A.Transfer Object
B.Service Locator
C.Intercepting Filter
D.Business Delegate
相关考题
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多项选择题
ClicktheExhibitbutton. TheApplianceclassisaSingletonthatloadsasetofpropertiesintoaMapfromanexternaldatasource.Assume： AninstanceoftheApplianceclassexistsintheapplication-scopedattribute，applTheapplianceobject includesthenamepropertythatmapstothevalueCobiaTherequest-scopedattribute，prop，hasthevaluename. WhichtwoELcodesnippetswilldisplaythestringCobia？（）
A.${appl.properties.name}
B.${appl.properties.prop}
C.${appl.properties[prop]}
D.${appl.properties[name]}
E.${appl.getProperties（）.get（prop）}
F.${appl.getProperties（）.get（’name’）} -
多项选择题
GivenanELfunctionfoo，innamespacefunc，thatrequiresalongasaparameterandreturnsaMap，which twoarevalidinvocationsoffunctionfoo？（）
A.${func（1）}
B.${foo：func（4）}
C.${func：foo（2）}
D.${foo（5）：func}
E.${func：foo（"easy"）}
F.${func：foo（"3"）.name} -
单项选择题
You have created a web application that you license to real estate brokers. The webapp is highly customizable including the email address of the broker， which is placed on the footer of each page. This isconfigured as a context parameter in the deployment descriptor： 10.<context-param> 11.<param-name>footerEmail</param-name> 12.<param-value>joe@estates-r-us.biz</param-value> 13.</context-param> Which EL code snippet will insert this context parameter into the footer？（）
A.<a href=’mailto：${footerEmail}’>Contact me</a>
B.<a href=’mailto：${initParam@footerEmail}’>Contact me</a>
C.<a href=’mailto：${initParam.footerEmail}’>Contact me</a>
D.<a href=’mailto：${contextParam@footerEmail}’>Contact me</a>
E.<a href=’mailto：${contextParam.footerEmail}’>Contact me</a>
