The value returned needs to be cast to an int.
The getAttribute methos takes two arguments.
Primitive CANNOT be stored in the HttpSession.
The HttpSession attribute name must NOT exceed eight characters.
第1题:
A.A finalizer may NOT be invoked explicitly.
B.The finalize method declared in class Object takes no action.
C.super.finalize()is called implicitly by any over riding finalize method.
D.The finalize method for a given objec twill be called no more than once by the garbage collector.
E.The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.
第2题:
下列操作Session时,代码错误的是()
第3题:
此题为判断题(对,错)。
第4题:
You need to store a floating point number,called Tsquare,in the session scope. Which two code snippetsallow you to retrieve this value?()
第5题:
Given: 6.
第6题:
以下()可用于检索session属性userid的值。
第7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?()
第8题:
A.Thevaluereturnedneedstobecasttoanint.
B.ThegetAttributemethostakestwoarguments.
C.PrimitiveCANNOTbestoredintheHttpSession.
D.TheHttpSessionattributenamemustNOTexceedeightcharacters.
第9题:
Given: 6.<% int[] nums = {42, 420, 4200}; 7.request.setAttribute("foo", nums); %> Which two successfully translate and result in a value of true?()
第10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?()