public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
res.setContentType("text/html");
PrintWriter out = res.getWriter();
count++;
out.println(
"<h1>Since loading, this servlet instance has been accessed " + count + " times.</h1>");
instances.put(this, this);
out.println("<h2>There are currently " + instances.size() + " instances.</h2>");
classCount++;
out.println(
"<h3>Across all instances, this servlet class has been accessed "
+ classCount
+ " times.</h3>");
}
