当前分类: SCDCD(310-081)
问题:单选题Within a web application deployment descriptor, which maps the com.example.LoginServlet servlet to /utils/LoginServlet?()A AB BC CD D...
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问题:多选题Which four types of object can be thrown using the throw statement?()AErrorBEventCObjectDExceptionEThrowableFRuntime Exception...
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Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope?()A pageContext.getAttribute(“foo”);B getPageContext().getAttribute(“foo”);C pageContext.getApplicationScope(“fo...
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 is characteristic of the Business Delegate pattern?()A It decreases complexity by removing a layer of proxy classes.B It reduces coupling between tiers by hiding implementation details.C It decreases performance due to the lack of caching of r...
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...
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 ...
问题:多选题Which the two JSTL URL-related tags perform URL rewriting?()AurlBlinkCparamDimportEredirect...
问题:多选题Under what two circumstances is the set JspBody method NOT called in a tag class that implements the Simple Tag interface? ()AThe tag is invoked without a body.BThe doTAb method throws an exception.CThe element has the value empty.DThe tag is called w...
问题:单选题Which HttpSession method stores an object in a session?()A put(String name. Object value)B set(String name. Object value)C setAttribute(String name. Object value)D putAttribute(String name. Object value)E addAttribute(String name. Object value)...
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: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 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: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):...