单选题Given that session is a valid HttpSession object： Int max = session.getAttribute（“MyReallyLongName”）； Which is true？（）A The value returned needs to be cast to an int.B The getAttribute methos takes two arguments.C Primitive CANNOT be stored in the HttpSession.D The HttpSession attribute name must NOT exceed eight characters.
单选题
Given that session is a valid HttpSession object： Int max = session.getAttribute（“MyReallyLongName”）； Which is true？（）
A
The value returned needs to be cast to an int.
B
The getAttribute methos takes two arguments.
C
Primitive CANNOT be stored in the HttpSession.
D
The HttpSession attribute name must NOT exceed eight characters.
参考解析
解析：
暂无解析
相关考题：
Jsp内嵌对象session的类型为javax.servlet.http.HttpSession,下述语句会使该对象失效的是() A.session.dispose（）B.session.clear（）C.session.invalidate（）D.session.removeAll（）
Given:Which method will complete this class?() A.public int compareTo(Object o){/*more code here*/}B.public int compareTo(Score other){/*more code here*/}C.public int compare(Score s1,Score s2){/*more code here*/}D.public int compare(Object o1,Object o2){/*more code here*/}
以下程序的输出结果是_____。 include class object {private:int val; public:objec 以下程序的输出结果是_____。include＜iostream.h＞class object{ private:int val;public:object( ) ;object(int i) ;～object( ) ;};object: :object( ){ val＝0;cout ＜ ＜ "Default constructor for object" ＜ ＜ endl;}object: :object(int i){ val＝i;cout ＜ ＜ "Constructor for object" ＜ ＜ val ＜ ＜ endl;}object: :～object( ){ cout ＜ ＜ "Destructor for object" ＜ ＜ val ＜ ＜ endl;}class container{ private:object one;object two;int data;public:container( ) ;container(int i,int j,int k) ;～container( ) ;};container: :container( ){ data＝0;cout ＜ ＜ "Default constructor for container" ＜ ＜ endl;}container: :container(int i,int j,int k) :two(i) ,one(j){ data＝k;cout ＜ ＜ "Constructor for container" ＜ ＜ endl;}container: :～container( ){ cout ＜ ＜ "Destructor for container" ＜ ＜ endl;}void main( ){ container anObj(5,6,10) ;}
下列操作Session时，代码错误的是（）A、HttpSession session=request.getSession（true）；B、Session session=new Session（）；C、session.setAttribute（"username"，"admin"）；D、String username=（String）session.getAttribute（"username"）；E、response.add Session（Session）；
如果不希望JSP网页支持Session，应该如何办？（）A、调用HttpSession的invalidate（）方法B、〈%@ page session="false" /〉C、〈%@ page session 〉D、〈jsp:useBean id= "user" class= "UserData" scope= "session" /〉
Given： 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag（） { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments，inserted independently atline 5，return the value of the attribute？（）A、Object o = pageContext.getAttribute（"foo"）；B、Object o = pageContext.findAttribute（"foo"）；C、Object o = pageContext.getAttribute（"foo"，PageContext.SESSION_SCOPE）；D、HttpSession s = pageContext.getSession（）；Object o = s.getAttribute（"foo"）；
Given an HttpServletRequest request and an HttpServletResponse response： 41.HttpSession session = null； 42.// insert code here 43.if（session == null） { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To implement the design intent，which statement must be inserted at line 42？（）A、session = response.getSession（）；B、session = request.getSession（）；C、session = request.getSession（true）；D、session = request.getSession（false）；E、session = request.getSession（"jsessionid"）；
Given an HttpServletRequest request： 22.String id = request.getParameter（"jsessionid"）； 23.// insert code here 24.String name = （String） session.getAttribute（"name"）； Which three can be placed at line 23 to retrieve anexisting HttpSession object？（）A、HttpSession session = request.getSession（）；B、HttpSession session = request.getSession（id）；C、HttpSession session = request.getSession（true）；D、HttpSession session = request.getSession（false）；E、HttpSession session = request.getSession（"jsessionid"）；
以下装箱、拆箱语句中，错误的有（）A、 object obj=100； int m=（int）obj；B、 object obj=100； int m=obj；C、 object obj=（int）100； int m=（int）obj；D、 object obj=（object）100； int m=（int）obj；
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？（）A、 All URLs returned by the server are rewritten.B、 An HttpSession object is created if necessary.C、 The user name and password of the user are checked.D、 The session ID is stored in the HTTP response as a cookie.
在Servlet里，能正确获取session的语句是（）。A、HttpSession session=request.getSession（true）B、HttpSession session=request.getHttpSession（true）C、HttpSession session=response.getSession（true）D、HttpSession session=response.getHttpSession（true）
HttpSession session=request.getSession（false）与HttpSession session = request.getSession（true）的区别（）。A、没有区别B、如果当前reqeust中的HttpSession 为null，当传入参数为空时，就创建一个新的Session，否则返回nullC、如果当前reqeust中的HttpSession 为null，当传入参数为true时，就创建一个新的Session，否则返回null
Given an HttpSession session，a ServletRequest request，and a ServletContext context，which retrieves aURL to /WEB-INF/myconfig.xml within a web application？（）A、session.getResource（"/WEB-INF/myconfig.xml"）B、request.getResource（"/WEB-INF/myconfig.xml"）C、context.getResource（"/WEB-INF/myconfig.xml"）D、getClass（）.getResource（"/WEB-INF/myconfig.xml"）
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）
Given that session is a valid HttpSession object： Int max = session.getAttribute（“MyReallyLongName”）； Which is true？（） A、 The value returned needs to be cast to an int.B、 The getAttribute methos takes two arguments.C、 Primitive CANNOT be stored in the HttpSession.D、 The HttpSession attribute name must NOT exceed eight characters.
Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10； 13.} Which three are valid on line 12？（）A、finalB、staticC、nativeD、publicE、private
单选题以下装箱、拆箱语句中，错误的有（）A object obj=100； int m=（int）obj；B object obj=100； int m=obj；C object obj=（int）100； int m=（int）obj；D object obj=（object）100； int m=（int）obj；
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 ConstOver（Int x， int y， int z） {}Epubic void ConstOver （byte x， byte y， byte z） {}
多选题Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10； 13.} Which three are valid on line 12？（）AfinalBstaticCnativeDpublicEprivate
单选题如果不希望JSP网页支持Session，应该如何办？（）A调用HttpSession的invalidate（）方法B〈%@ page session=false /〉C〈%@ page session 〉D〈jsp:useBean id= user class= UserData scope= session /〉
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）
单选题Given an HttpServletRequest request and an HttpServletResponse response： 41.HttpSession session = null； 42.// insert code here 43.if（session == null） { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To implement the design intent，which statement must be inserted at line 42？（）Asession = response.getSession（）；Bsession = request.getSession（）；Csession = request.getSession（true）；Dsession = request.getSession（false）；Esession = request.getSession（jsessionid）；
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 user name and password of the user are checked.DThe session ID is stored in the HTTP response as a cookie.
多选题Given an HttpServletRequest request： 22.String id = request.getParameter（"jsessionid"）； 23.// insert code here 24.String name = （String） session.getAttribute（"name"）； Which three can be placed at line 23 to retrieve anexisting HttpSession object？（）AHttpSession session = request.getSession（）；BHttpSession session = request.getSession（id）；CHttpSession session = request.getSession（true）；DHttpSession session = request.getSession（false）；EHttpSession session = request.getSession（jsessionid）；
多选题Given： 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag（） { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments，inserted independently atline 5，return the value of the attribute？（）AObject o = pageContext.getAttribute（foo）；BObject o = pageContext.findAttribute（foo）；CObject o = pageContext.getAttribute（foo，PageContext.SESSION_SCOPE）；DHttpSession s = pageContext.getSession（）；Object o = s.getAttribute（foo）；
问答题HttpSession与Hibernate中Session的区别