J2EE中,HttpServletRequest类的()方法用返回与当前请求相关联的会话,如果没有,则返回null。
第1题:
A.<%if(request.getSession(false)==null){//specialprocessing}%>
B.<%if(request.getHttpSession(false)==null){//specialprocessing}%>
C.<%if(requestObject.getSession(false)==null){//specialprocessing}%>
D.<%if(requestObject.getHttpSession(false)==null){//specialprocessing}%>
第2题:
A.HttpServletRequest、getSession
B.HttpServletResponse、newSession
C.HtttpSession、newInstance
D.HttpSession、getSession
第3题:
J2EE中,哪个类的哪个方法用于创建对话?()
第4题:
For debugging purposes, you need to record how many times a given JSP is invoked before the user’ssession has been created. The JSP’s destroy method stores this information to a database. Which JSPcode snippet keeps track of this count for the lifetime of the JSP page?()
第5题:
J2EE中,()类的()方法用于创建对话。
第6题:
在Java EE中,如果req是HttpServletRequest的实例,要通过req获取已经存在的HttpSession对象,如果不存在就创建一个HttpSession对象,下面选项中()可以实现。
第7题:
You are building a Front Controller using a JSP page and you need to determine if the user’s session hasNOT been created yet and perform some special processing for this case. Which scriptlet code snippet willperform this test?()
第8题:
HttpServletRequest类的getSession方法有两个:带参数的getSession方法和不带参数的getSession方法
在Servlet中,可以使用HttpSession session = new HttpSession()创建session对象
如果HttpServletRequest类的getSession方法的参数为false,表示如果没有与当前的请求相联系的会话对象时,该方法返回null
如果HttpServletRequest类的getSession方法的参数为true,表示如果没有与当前的请求相联系的会话对象时,该方法返回null
第9题:
getSession(null)
getSession(true)
getSession(false)
第10题:
req.getSession()
req.getSession(false)
req.getSession(true)
req.createSession()
第11题:
HttpSession session = request.getSession();
HttpSession session = request.getSession(id);
HttpSession session = request.getSession(true);
HttpSession session = request.getSession(false);
HttpSession session = request.getSession(jsessionid);
第12题:
HttpServletRequest;getSession
HttpServletRequest;NewSession
HttpSession;newInstance
HttpSession;getSession
第13题:
Fordebuggingpurposes,youneedtorecordhowmanytimesagivenJSPisinvokedbeforetheuser’ssessionhasbeencreated.TheJSP’sdestroymethodstoresthisinformationtoadatabase.WhichJSPcodesnippetkeepstrackofthiscountforthelifetimeoftheJSPpage?()
A.<%!intcount=0;%><%if(request.getSession(false)==null)count++;%>
B.<%@intcount=0;%>.<%if(request.getSession(false)==null)count++;%>
C.<%intcount=0;.if(request.getSession(false)==null)count++;%>
D.<%@intcount=0;.if(request.getSession(false)==null)count++;%>
E.<%!intcount=0;.if(request.getSession(false)==null)count++;%>
第14题:
在public HttpSession getSession(boolean bool)的方法定义中,当bool为false时表明()
第15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?()
第16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?()
第17题:
HttpServletRequest接口的()方法用于创建会话。
第18题:
HttpSession session=request.getSession(false)与HttpSession session = request.getSession(true)的区别()。
第19题:
Which retrieves all cookies sent in a given HttpSErvletRequest request?()
第20题:
HttpServletRequest、getSession
HttpServletResponse、newSession
HtttpSession、newInstance
HttpSession、getSession
第21题:
直接返回会话对象
当服务器已经创建了会话对象就返回该对象,否则返回null
直接返回null
当服务器已经创建了会话对象就返回该对象,否则新建一个会话对象并返回
第22题:
session = response.getSession();
session = request.getSession();
session = request.getSession(true);
session = request.getSession(false);
session = request.getSession(jsessionid);
第23题:
request.getCookies()
request.getAttributes()
request.getSession ().getCookies()
request.getSession (). GetAttributes()