import java.io.*;
import java.util.*;
import java.text.*;
import javax.servlet.http.*;
import javax.servlet.*;
public class HowzitServlet extends HttpServlet {
int visitnum;
String lastuser[] = new String[5];
public void init() {
visitnum=0;
}
public void service (
HttpServletRequest req,
HttpServletResponse res
) throws ServletException, IOException
{
res.setContentType("text/html");
PrintWriter pw = res.getWriter();
pw.println("");
pw.println();
pw.println("");
pw.println("");
pw.println();
pw.println("");
pw.println();
pw.println("Hello, world!");
pw.println("");
pw.println();
pw.println("");
pw.println();
pw.println("Howzit "+req.getParameter("txtName")+"!
");
pw.println();
pw.println("This is visit number " + (visitnum++) + " since the servlet started.
");
pw.println(""+lastuser[0]+"
");
pw.println(""+lastuser[1]+"
");
pw.println(""+lastuser[2]+"
");
pw.println(""+lastuser[3]+"
");
pw.println(""+lastuser[4]+"
");
lastuser[4]=lastuser[3];
lastuser[3]=lastuser[2];
lastuser[2]=lastuser[1];
lastuser[1]=lastuser[0];
lastuser[0]=req.getParameter("txtName");
pw.println("");
pw.close();
}
public HowzitServlet() {}
}