import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class SimpleCounter extends HttpServlet {

  int count = 0;

  public void doGet(HttpServletRequest req, HttpServletResponse res) 
                               throws ServletException, IOException {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();

    int local_count;
    synchronized(this) {
      local_count = ++count;
    }

    out.println("Since loading, this servlet has been accessed " +
                local_count + " times.");
  }
}