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//UserÀà
public class User implements HttpSessionBindingListener
{
private String name;
public int count = 0;
public User()
{
}
public User(String name)
{
this.name = name;
}
public void valueBound(HttpSessionBindingEvent arg0)
{
count++;
}
public void valueUnbound(HttpSessionBindingEvent arg0)
{
count--;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
}
//servlet
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
String loginName = request.getParameter("loginName");
HttpSession session = request.getSession();
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