/ ** * Write the following sessioncounter.java * and compile SESSIONCOUNTER.CLASS * and then put it on the classpath of your website * sessioncount; import javax.servlet; import javax.servlet. *; Import Javax. Servlet.http. *;
Public class sessioncounter implements httpsessionListener {
Private static int activitynesss = 0;
Public void sessioncreated (httpsessionever "{activityations ;}
Public void sessionDestroyed (httpsessionever se) {if (agentismions> 0) Activeisms-;
Public static int getActdomesions;}} then established an online.jsp file to display online number <% @ Page Import = "sessioncount.sessioncounter"%> Online: <% = sessioncounter.getActiveSessionS ()%> then need The contents of the Web.xml file in your website is as follows:
