重要提示: 请勿将账号共享给其他人使用,违者账号将被封禁!
查看《购买须知》>>>
找答案首页 > 全部分类 > 计算机类考试
搜题
网友您好, 请在下方输入框内输入要搜索的题目:
搜题
题目内容 (请给出正确答案)
[单选题]

1.classA{2.publicbytefileNumber(){3.returnl;4.}5.}6.7.ClassBextendsA{8.publicshortgetNumber(){9.return2;10.}11.12.publicshortgetNumber(){13.Bb=newB();14.System.out.printIn(b.getNumber());15.}16.}Whatistheresult()?

A.Compilationsucceedsandlisprinted.

B.Compilationsucceedsand2printed.

C.Anerroratline8causecompilationtofail.

D.Anerroratline14causecomplicationtofail.

E.Complicationsucceedsbutanexceptionisthrownatline14.

查看答案
更多“classA{2.publicbytefileNumber(){3.returnl;4.}5.}6.7.ClassBextendsA{8.publicshortgetNumbe”相关的问题

第1题

Assumethatanewstaglibrarycontainsthetagslookupanditem:lookupRetrievesthelatestnews headlin

esandexecutesthetagbodyonceforeachheadline.ExposesaNESTEDpagescopedattributecalledheadlineoftypecom.example.Headlinecontainingdetailsforthatheadline.itemOutputstheHTMLforasinglenewsheadline.Acceptsanattributeinfooftypecom.example.Headlinecontainingdetailsfortheheadlinetoberendered.WhichsnippetofJSPcodereturnsthelatestnewsheadlinesinanHTMLtable,oneperrow?()

A.

B.

C.

D.

点击查看答案

第2题

WhichJSTLcodesnippetcanbeusedtoperformURLrewriting?()

A.<ahref=’<c:urlurl="foo.jsp"/>’/>

B.<ahref=’<c:linkurl="foo.jsp"/>’/>

C.<ahref=’<c:urlvalue="foo.jsp"/>’/>

D.<ahref=’<c:linkvalue="foo.jsp"/>’/>

点击查看答案

第3题

AssumethescopedattributeprioritydoesNOTyetexist.Whichtwocreateandsetanewrequest-scopedattributeprioritytothevalue"medium"?()

A.${priority=’medium’}

B.${requestScope[’priority’]=’medium’}

C.<c:setvar="priority"value="medium"/>

D.<c:setvar="priority"scope="request">medium</c:set>

E.<c:setvar="priority"value="medium"scope="request"/>

点击查看答案

第4题

YouarecreatingaJSPpagetodisplayacoll

ectionofdata.Thisdatacanbedisplayedinseveraldifferentwayssothearchitectonyourprojectdecidedtocreateagenericservletthatgeneratesacomma-delimitedstringsothatvariouspagescanrenderthedataindifferentways.Thisservlettakesonrequestparameter:objectID.AssumethatthisservletismappedtotheURLpattern:/WEB-INF/data.IntheJSPyouarecreating,youneedtosplitthisstringintoitselementsseparatedbycommasandgenerateanHTMLlistfromthedata.WhichJSTLcodesnippetwillaccomplishthisgoal?()

点击查看答案

第5题

YourmanagementhasrequiredthatallJSPsbecreatedtogenerateXHTML-compliantcontentandtofacilita

tethatdecision,youarerequiredtocreateallJSPsusingtheJSPDocumentformat.Inthe reviewOrder.jspxpage,youneedtouseseveralcoreJSTLtagstoprocessthecollectionoforderitemsinthecustomer’sshoppingcart.WhichJSPcodesnippetsmustyouuseinthereviewOrder.jspxpage?()

A.

B.

C.

D.

点击查看答案

第6题

WhichtwoJSTLURL-relatedtagsperformURLrewriting?()

A.Url

B.Link

C.Param

D.Import

E.Redirect

点击查看答案

第7题

Adeveloperhasusedthiscodewithinaservlet:62.if(request.isUserInRole("vip")){63.//VIP-relatedlogichere64.}Whatelsemustthedeveloperdotoensurethattheintendedsecuritygoalisachieved?()

A.Createausercalledvipinthesecurityrealm

B.Defineagroupwithinthesecurityrealmandcallitvip

C.Defineasecurity-rolenamedvipinthedeploymentdescriptor

D.Declareasecurity-role-refforvipinthedeploymentdescripto

点击查看答案

第8题

Given:3.classMyServletextendsHttpServlet{4.publicvoiddoPut(HttpServletRequestreq,HttpServl

etResponseresp)throwsServletException,IOException{5.//servletcodehere...26.}27.}IftheDDcontainsasinglesecurityconstraintassociatedwithMyServletanditsonly<httpmethod>tagsand<auth-constraint>tagsare:<http-method>GET</http-method><http-method>PUT</http-method><auth-constraint>Admin</auth-constraint>Whichfourrequestswouldbeallowedbythecontainer?()

A.AuserwhoseroleisAdmincanperformaPUT.

B.AuserwhoseroleisAdmincanperformaGET.

C.AuserwhoseroleisAdmincanperformaPOST.

D.AuserwhoseroleisMembercanperformaPUT.

E.AuserwhoseroleisMembercanperformaPOST.

F.AuserwhoseroleisMembercanperformaGET.

点击查看答案

第9题

IfyouwanttousetheJavaEEplatform’sbuilt-intypeofauthenticationthatusesacustomHTMLpagefor authentication.Whichtwostatementsaretrue?()

A.Yourdeploymentdescriptorwillneedtocontainthistag:CUSTOM.

B.TherelatedcustomHTMLloginpagemustbenamedloginPage.html.

C.Whenyouusethistypeofauthentication,SSListurnedonautomatically.

D.YoumusthaveataginyourdeploymentdescriptorthatallowsyoutopointtobothaloginHTMLpageandanHTMLpageforhandlinganyloginerrors.

E.IntheHTMLrelatedtoauthenticationforthisapplication,youmustusepredefinedvariablenamesfort hevariablesthatstoretheuserandpasswordvalues.

点击查看答案

第10题

Giventhisfragmentinaservlet:23.if(req.isUserInRole("Admin")){24.//dostuff25.}And

thefollowingfragmentfromtherelatedJavaEEdeploymentdescriptor:812.<security-role-ref>813.<role-name>Admin</role-name>814.<role-link>Administrator</role-link>815.</security-role-ref>900.<security-role>901.<role-name>Admin</role-name>902.<role-name>Administrator</role-name>903.</security-role>Whatistheresult?()

A.Line24canneverbereached.

B.ThedeploymentdescriptorisNOTvalid.

C.Ifline24executes,theuser’srolewillbeAdmin.

D.Ifline24executes,theuser’srolewillbeAdministrator.

E.Ifline24executestheuser’srolewillNOTbepredictable.

点击查看答案
下载上学吧APP
客服
TOP
重置密码
账号:
旧密码:
新密码:
确认密码:
确认修改
购买搜题卡查看答案
购买前请仔细阅读《购买须知》
请选择支付方式
微信支付
支付宝支付
选择优惠券
优惠券
请选择
点击支付即表示你同意并接受《服务协议》《购买须知》
立即支付
搜题卡使用说明

1. 搜题次数扣减规则:

功能 扣减规则
基础费
(查看答案)
加收费
(AI功能)
文字搜题、查看答案 1/每题 0/每次
语音搜题、查看答案 1/每题 2/每次
单题拍照识别、查看答案 1/每题 2/每次
整页拍照识别、查看答案 1/每题 5/每次

备注:网站、APP、小程序均支持文字搜题、查看答案;语音搜题、单题拍照识别、整页拍照识别仅APP、小程序支持。

2. 使用语音搜索、拍照搜索等AI功能需安装APP(或打开微信小程序)。

3. 搜题卡过期将作废,不支持退款,请在有效期内使用完毕。

请使用微信扫码支付(元)
订单号:
遇到问题请联系在线客服
请不要关闭本页面,支付完成后请点击【支付完成】按钮
遇到问题请联系在线客服
恭喜您,购买搜题卡成功 系统为您生成的账号密码如下:
重要提示: 请勿将账号共享给其他人使用,违者账号将被封禁。
发送账号到微信 保存账号查看答案
怕账号密码记不住?建议关注微信公众号绑定微信,开通微信扫码登录功能
警告:系统检测到您的账号存在安全风险

为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!

- 微信扫码关注上学吧 -
警告:系统检测到您的账号存在安全风险
抱歉,您的账号因涉嫌违反上学吧购买须知被冻结。您可在“上学吧”微信公众号中的“官网服务”-“账号解封申请”申请解封,或联系客服
- 微信扫码关注上学吧 -
请用微信扫码测试
选择优惠券
确认选择
谢谢您的反馈

您认为本题答案有误,我们将认真、仔细核查,如果您知道正确答案,欢迎您来纠错

上学吧找答案