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？（）A、%! int count = 0； %% if （ request.getSession（false） == null ） count++； %B、%@ int count = 0； %. % if （ request.getSession（false） == null ） count++； %C、% int count = 0；. if （ request.getSession（false） == null ） count++； %D、%@ int count = 0；. if （ request.getSession（false） == null ） count++； %E、%! int count = 0；. if （ request.getSession（false） == null ） count++； %
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？（）
- A、<%! int count = 0； %><% if （ request.getSession（false） == null ） count++； %>
- B、<%@ int count = 0； %>. <% if （ request.getSession（false） == null ） count++； %>
- C、<% int count = 0；. if （ request.getSession（false） == null ） count++； %>
- D、<%@ int count = 0；. if （ request.getSession（false） == null ） count++； %>
- E、<%! int count = 0；. if （ request.getSession（false） == null ） count++； %>
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