当前分类： SCDCD(310-081)
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...
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问题：单选题Which path is required to be present within a WAR file？（）A /classesB /index.htmlC /MANIFEST-INFD /WEB-INF/web.xmlE /WEB-INF/classesF /WEB-INF/index.htmlG /META-INF/index.xml...
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：多选题Given a header in an HTTP request： X-Retries：4 Which two retrieve the value of the header from a given ServletRequest request？ （）Arequest.getHeader （“X-Retries”）Brequest.getIntHeader （“X-Retries”）Crequest.getRequestHeader （“x-Retries”）Drequest.getHead...
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 ...
问题：单选题Which 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：单选题A developer wants too use EL to invoke a function using S{my：bloof（“foof”）}. Which is always true？（）A The method invoked by this function must be statie.B The function class must implement the Function interface.C The expression is NOT a valid EL ex...
问题：单选题Given the HttpServlet code： getServletContext（）.setAttribute（“foo”， “value”）； What is the result？（）A The attribute foo is placed in the applicationB A ServletContextListener registered for that servlet is notifiedC A ServletAttributeListener regis...
问题：单选题A developer is designing a web application that makes many fine-grained remote data requests for each client request. During testing， the developer discovers that the volume of remote requests significantly degrades performance of the application. Whic...
问题：单选题What is the result（）？A 2B 4C 8D 16E The code will not compile....
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 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A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）AStore the data in a vocal variable.BStore the data in an instance variable.CStore the data ...
问题：单选题Which path， relative to a web application’s root， identifies the web application’s deployment descriptor？（）A /conf/web.xmlB /WEB-INF/web.xmlC /conf/server.xmlD /META-INF/web.xmlE /WEB-INF/rules.xmlF /META-INF/server. Xml...
问题：多选题For a given Servletresponse response， which two retrieve an object for writing text data？ （）Aresponse.getWriter（ ）Bresponse.getOutputStream（ ）Cresponse.getOutputWriter（ ）Dresponse.getWriter（ ） .getOutputStream（ ）Eresponse.getWriter（Writer.OUTPUT_TEXT（ ...
