当前分类: SCWCD(310-083)
问题:单选题Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface: public interface ApplicationController {public String invoke(HttpServletRequest request)} The return value of this method ...
查看答案
问题:单选题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.Hiking 21.Skiing 22.SCUBA Diving 23. After the user submits this form, a confirmation screen is displa...
问题:单选题Given: 5.public class MyTagHandler extends TagSupport { 6.public int doStartTag() throws JspException { 7.try { 8.// insert code here 9.} catch(Exception ex) { /* handle exception */ } 10.return super.doStartTag(); 11.}...42. } Which code snippet, inse...
问题:多选题A developer wants a web application to be notified when the application is about to be shut down. Which two actions are necessary to accomplish this goal?()AInclude a listener directive in a JSP pageBconfigure a listener in the TLD file using the elem...
问题:单选题You need to create a JavaBean object that is used only within the current JSP page. It must NOT beaccessible to any other page including those that this page might import. Which JSP standard action canaccomplish this goal?()A jsp:useBean id=’pageBean’ ...
问题:单选题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...
问题:单选题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, func...
问题:单选题Given a Filter class definition with this method: 21.public void doFilter(ServletRequest request, 22.ServletResponse response, 23.FilterChain chain) 24.throws ServletException, IOException { 25.// insert code here26. } Which should you insert at line 2...
问题:多选题A JSP page needs to set the property of a given JavaBean to a value that is calculated with the JSP page. Which three jsp:setProperty attributes must be used to perform this initialization?()AIdBValCNameDParamEValueFProperty...
问题:多选题Given a header in an HTTP request:X-Retries:4 Which two retrieve the value of the header from a given HttpServletRequest request?()ARequest.getHeader(X-Retries)BRequest.getIntHeader(X-Retries)CRequest.getRequestHeader(X-Retries)DRequest.getHeaders(X-Re...
问题:单选题To take advantage of the capabilities of modern browsers that use web standards, such as XHTML andCSS, your web application is being converted from simple JSP pages to JSP Document format. However,one of your JSPs, /scripts/screenFunctions.jsp, generat...
问题:单选题You have a use case in your web application that adds several session-scoped attributes. At the end of theuse case, one of these objects, the manager attribute, is removed and then it needs to decide which of theother session-scoped attributes to remov...
问题:多选题Given an HttpServletRequest request: 22.String id = request.getParameter("jsessionid"); 23.// insert code here 24.String name = (String) session.getAttribute("name"); Which three can be placed at line 23 to retrieve anexisting HttpSession object?()AHtt...
问题:多选题A web application contains a tag file called beta.tag in /WEB-INF/tags/alpha. A JSP page called sort.jspexists in the web application and contains only this JSP code: 1. 3. The sort.jsp page is requested. Which two are true?()ATag files can only be acc...
问题:多选题Which two are characteristics of the Service Locator pattern?()AIt encapsulates component lookup procedures.BIt increases source code duplication and decreases reuse.CIt improves client performance by caching context and factory objects.DIt degrades ne...
问题:多选题Given: 11. 16. Which three EL expressions, inserted at line 16, are valid and evaluate to "d"?()A${map.c}B${map[c]}C${map[c]}D${map.map.b}E${map[map.b]}...
问题:多选题Given: 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag() { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments,inserted inde...
问题:多选题A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page?()Aprefix:myTag a=foo b=bar c=baz /Bprefix:myTag attributes={foo,bar,baz} /Cprefix:myTag jsp:attribute a=foo b=bar c=baz /Dprefix:myTagjsp:attribute ...
问题:单选题Which statement is true if the doStartTag method returns EVAL_BODY_BUFFERED?()A The tag handler must implement BodyTag.B The doAfterBody method is NOT called.C The setBodyContent method is called once.D It is never legal to return EVAL_BODY_BUFFERED fr...
问题:多选题A JSP page needs to instantiate a JavaBean to be used by only that page. Which two jsp:useBeanattributes must be used to access this attribute in the JSP page?()AIdBTypeCNameDClassEYscope...