单选题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？（）A <% if （ request.getSe
题目
单选题
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？（）
A
<% if （ request.getSession（false） == null ） {// special processing} %>
B
<% if （ request.getHttpSession（false） == null ） {// special processing} %>
C
<% if （ requestObject.getSession（false） == null ） { // special processing} %>
D
<% if （ requestObject.getHttpSession（false） == null ） { // special processing} %>