当前分类： SCDCD(310-081)
问题：多选题Which the two are true about the JSTL core iteration custom tags？（）AIt may iterate over arrays， collections， maps and strings.BThe body of the tag may contain EL code， but not scripting code.CWhen looping over collections， a loop status object may be u...
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问题：多选题Given： 1. public class Method Over { 2. public void set Var （int a， int b， float c） { 3. } 4. } Which two overload the set Var method（）？Aprivate void set Var（int a， float c， int b） {}Bprotected void set Var（int a， int b， float c） {}Cpublic int se...
问题：多选题A JSP page needs to instantiate a JavaBean to be used by only that page. Which two jsp：useBean attributes must be used to access this attribute in the JSP page？（）AidBtypeCnameDclassEscopeFcreate...
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：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：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：单选题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 Squeaky business team has since purchased a set ...
问题：单选题A web application uses the HttpSession mechanism to determine if a user is “logged in”. When a user supplies a valid user name and password， an HttpSession is created for that user. The user has access to the application for only 15 minutes after logg...
问题：单选题Which retrieves all cookies sent in a given HttpSErvletRequest request？（）A request.getCookies（）B request.getAttributes（）C request.getSession （）.getCookies（）D request.getSession （）. GetAttributes（）...
问题：多选题Which four types of object can be thrown using the throw statement？（）AErrorBEventCObjectDExceptionEThrowableFRuntime Exception...
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A Company.com developer has created a web application that includes a servlet for each use case in the application. These servlets have become rather difficult to maintain because the request processing methods have become very large. There is also com...
问题：多选题Upon a user’s first visit to the website， which two operations are always performed when the getSession method is called with no arguments in a servlet？（）AAll URLs returned by the server are rewritten.BAn HttpSession object is created if necessary.CThe...
问题：单选题Which will declare the method that forces a subclass to implement it？（）A public double methoda （）：B static void methoda（double d1） {}C public native double methoda （）：D abstract public foid methoda （）：E protected void methoda （double d1） {}...
问题：单选题A developer is designing a multi-tier application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， the application needs to find， in a transparent manner， the heterogeneous bus...
问题：单选题A developer is designing a multi-tier web application and discovers a need to log each incoming client request. Which two patterns， taken independently， provide a solution for this problem？ （）A Transfer ObjectB Service LocatorC Front ControllerD In...
问题：单选题A Company.com developer is designing a multi-tier web application and discovers a need to hide the details of establishing and maintaining remote communications from the client. In addition， because the business and resource tiers are distributed， the ...
