当前分类： SCDCD(310-081)
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...
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问题：单选题1. class A { 2. public byte file Number （ ） { 3. return l; 4. } 5. } 6. 7. Class B extends A { 8. public short getNumber（ ） { 9. return 2; 10. } 11. 12. public short getNumber（ ） { 13. B b = new B（ ）; 14. System.out.printIn(b.getNumber（ ）)...
问题：多选题Given that a scoped attribute cart exist only in a user’s session， which two， taken independently， ensure the scoped attribute cart no longer exists？（）A${cart = null }Bc：remove var=”cart” /Cc：remove var=”${cart}” /Dc：remove var=”cart” scope=”session” /...
问题：单选题Which is the valid identifier？（）A falseB defaultC _objectD a-class...
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：单选题Which is the true choice about the web container request processing model（）？A The init method on a filter is called the first time a servlet mapped to that filter is invokedB A filter defined for a servlet must always forward control to the next reso...
问题：单选题A JSP page needs to perform some operations before servicing the first request. Where can this be done？（）A within a method called jspInitB within the page directive of the JSP pageC within a scriptlet at the top of the JSP pageD within the XML ele...
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：单选题Which retrieves the binary input stream on line 13？（）A request.get Writer （）：B request.get Reader （）：C request.get Input Stream（）：D request.get Resource As Stream（）：E request.get Resource As Stream （Servlet Request. REQUEST）：...
问题：多选题Given： 1. public class ConstOver { 2. public constOver（int x， int y， int z） { 3. } 4. } Which two overload the ConstOver Constructor？（）AConstOver（） {}Bprotected int ConstOver（）{}Cprivate ConstOver（int z， int y， byte x ） {}Dpublic Object Const...
问题：单选题What is the result？（）A Compilation succeeds and 1 is printed.B complication succeeds and 2 is printed.C An error at line 8 causes compilation to fail.D An error at line 13 causes complication to fail.E An error at line 14 causes compilation t...
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...
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Which two are valid declarations of char？（）AChar ch = “a”；Bchar ch = “”；Cchar ch = “café”；Dchar ch = “ucafe”；Echar ch = “ucafe’；Fchar ch = “u10100’；Gchar ch = （char） true；...
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...
问题：多选题Given that a scoped attribute cart exists only in a user’s session， which two， taken independently， ensure the scoped attribute cart no longer exists？（）A ${cart = null} Bc：remove var=cart /Cc：remove var=${cart} /Dc：remove var=cart scope=session /Ec：rem...
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 the HTTP method represents a request for information about the supported methods on an HTTP server？（）A GETB INFOC HEADD TRACEE OPTIONS...
