Fordebuggingpurposes，youneedtorecordhowmanytimesagivenJSPisinvokedbeforetheuser’ssessionhasbeencreated.TheJSP’sdestroymethodstoresthisinformationtoadatabase.WhichJSPcodesnippetkeepstrackofthiscountforthelifetimeoftheJSPpage？（）A.<%!intcount=0；%><%if（reques
题目
Fordebuggingpurposes，youneedtorecordhowmanytimesagivenJSPisinvokedbeforetheuser’ssessionhasbeencreated.TheJSP’sdestroymethodstoresthisinformationtoadatabase.WhichJSPcodesnippetkeepstrackofthiscountforthelifetimeoftheJSPpage？（）
A.<%!intcount=0；%><%if（request.getSession（false）==null）count++；%>
B.<%@intcount=0；%>.<%if（request.getSession（false）==null）count++；%>
C.<%intcount=0；.if（request.getSession（false）==null）count++；%>
D.<%@intcount=0；.if（request.getSession（false）==null）count++；%>
E.<%!intcount=0；.if（request.getSession（false）==null）count++；%>