当前分类： SCDCD(310-081)
问题：多选题For which three events can web application event listeners be registered？ （）Awhen a session is createdBafter a servlet is destroyedCwhen a session has timed outDwhen a cookie has been createdEwhen a servlet has forwarded a requestFwhen a session attrib...
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问题：单选题Assume the tag handler for a st：simpletag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st：simple？（）A Set the body content type to JSP in the TLDB Scriptlet code is NOT legal in the body of st：simpleC Add scripting-...
问题：单选题Which the statement is true？（）A The Error class is a Runtime Exception.B No exceptions are subclasses of Error.C Any statement that may throw an Error must be enclosed in a try block.D any statement that may throw an Exception must be enclosed in a...
问题：多选题Assume session is an HttpSession， and is not referenced anywhere else in ServletA. Which two changes， taken together， ensure that value is equal to “Hello” on line 23？ （）AABBCCDDEE...
问题：单选题Which is the valid identifier？（）A falseB defaultC _objectD a-class...
问题：多选题In which two web application directories can dependent classes and libraries be located？ （）A/WEB-INF/lib as a JAR fileB/META-INF/lib as a JAR fileC/classes as compiled class filesD/WEB-INF/lib as compiled class filesE/WEB-INF/classes as compiled class ...
问题：单选题Which the HTTP method represents a request for information about the supported methods on an HTTP server？（）A GETB INFOC HEADD TRACEE OPTIONS...
问题：单选题Company.com has decided to use the FUBAR Application Server to host their web application. Unfortunately， the FUBAR Application Server uses the server machine’s file system for its JNDI namespace. Every JNDI lookup performed in the web application is t...
问题：多选题Which the two demonstrate encapsulation of data？（）AMember data have no access modifiers.BMember data can be modified directly.CThe access modifier for methods is protected.DThe access modifier to member data is private.EMethods provide for access and m...
问题：单选题Which thefollowingstatements about static inner classes is true？（）A An anonymous class can be declared as static.B A static inner class cannot be a static member of the outer class.C A static inner class does not require an instance of the enclosing...
问题：单选题Which HTTP method has the characteristic that multiple indential requests may produce side effect beyond those of a single request（）？A PUTB GETC INFOD POSTE HEADF TRACE...
问题：多选题For an HttpServlet Response response， which two create a custom header（）Aresponse.set Header （“X-MyHeader”. “34”）：Bresponse.addHeader （“X-MyHeader”. “34”）：Cresponse. Set Header （new Http Header （“X-MyHeader”. “34”））：Dresponse.addHeader（new Http Header ...
问题：单选题Which option prevents the exception thrown by my：errorProne from invoking the error page mechanism and outputs the message "File not found" in the response？（）A AB BC CD DE E...
问题：单选题Given an Http Session session. A Servlet Request request. And a Servlet Context context. Which retrieves a URL to /WEB INF/ my config.xml within a web application？（）A session.get Resource （“/WEB-INF/myconfig.xml”）B request.get Resource （“/WEB-INF/myc...
问题：单选题Which interface must a class implement to be informed of a session creation event？（）A javax.servlet.http.HttpSessionListenerB javax.servlet.http.HttpSessionBindingListenerC javax.servlet.http.HttpSessionCreationListenerD javax.servlet.http.HttpSess...
问题：多选题Given： 1. public interface Foo { 2. int k = 4： 3. } Which three are equivalent to line 2？（）Afinal int k = 4：Bpublic int k = 4：Cstatic int k = 4：Dprivate int k = 4：Eabstract int k = 4：Fvolatile int k = 4：Gtransient int k = 4：Hprotected int k = 4...
问题：单选题} What is the result？（）A Compilation succeeds and 1 is printed.B Compilation succeeds and 2 is printed.C An error at line 8 causes compilation to fail.D An error at line 14 causes compilation to fail....
问题：多选题Which the three interfaces need to be declared in the web application deployment descriptor？ （）AHttpSessionListenerBHttpSessionBindingListenerCHttpSessionTimedOutListenerDHttpSessionAttributeListenerEHttpSessionActivationListenerFHttpSessionPassivatedL...
问题：多选题Which two are characteristics of the Intercepting Filter pattern？（）Ait provides centralized request handling for incoming requests.BIt forces resource authentication to be distributed across web components.CIt reduces coupling between presentation-tier...
