单项选择题
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} %>
单项选择题 You need to create a JSP that generates some JavaScript code to populate an array of strings used on theclient-side. Which JSP code snippet will create this array？（）
单项选择题 You have a new IT manager that has mandated that all JSPs must be refactored to include no scritpletcode. The IT manager has asked you to enforce this. Which deployment descriptor element will satisfy thisconstraint？（）
单项选择题 Every page of your web site must include a common set of navigation menus at the top of the page. Thismenu is static HTML and changes frequently，so you have decided to use JSP’s static import mechanism. Which JSP code snippet accomplishes this goal？（）