Multiple Choice Question

Submitted by heartin on Sat, 08/22/2015 - 22:49
QID: 
9
Type: 
Multiple Choice Question
Category: 
Servlets and JSPs
Tags: 
servlets
session
Question: 

Given an HttpServletRequest request and an httpServletResponse response:

HttpSession session = null;
/ / insert code here
if (session = = null) {
/ / do something if session does not exist
} else {
/ / do something if session exists
}

Which of the code below is more appropriate to be inserted instead of the line that contains '/ / insert code here' ?

A. session = response.getSession ();
B. session = request.getSession ();
C. session = request.getSession (true);
D. session = request.getSession (false);
E. session = request.getSession (“jsessionid”);
 

Reference: 

http://docs.oracle.com/javaee/7/api/javax/servlet/http/HttpServletReques...

http://docs.oracle.com/javaee/7/api/javax/servlet/http/HttpServletRespon...

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