Where to place HTMl files in tomcat while executing Servlets examples ?

Hi,
I'm learning servelets (HttpServlets). in that input is given through html files.now i dont know where to place that html file in apache tomcat server
This is my Directry Structure
Java's ---- C:\Program Files\Java\jdk1.5.0\bin
Tomcat's--C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class ThreeParams extends HttpServlet
public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Reading Three Request Parameters";
String docType ="<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 " +"Transitional//EN\">\n";
out.println(docType +"<HTML>\n" +"<HEAD><TITLE>" + title + "</TITLE></HEAD>\n" +"<BODY BGCOLOR=\"#FDF5E6\">\n" +"<H1 ALIGN=\"CENTER\">" + title + "</H1>\n" +"<UL>\n" +" <LI><B>param1</B>: "+ request.getParameter("param1") + "\n" +" <LI><B>param2</B>: "+ request.getParameter("param2") + "\n" +" <LI><B>param3</B>: "+ request.getParameter("param3") + "\n" +"</UL>\n" +"</BODY></HTML>");
}HTML code ---
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>Collecting Three Parameters</TITLE></HEAD>
<BODY BGCOLOR="#FDF5E6">
<H1 ALIGN="CENTER">Collecting Three Parameters</H1>
<FORM ACTION="ACTION="C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\root\WEB-INF\classes.ThreeParams">
First Parameter: <INPUT TYPE="TEXT" NAME="param1"><BR>
Second Parameter: <INPUT TYPE="TEXT" NAME="param2"><BR>
Third Parameter: <INPUT TYPE="TEXT" NAME="param3"><BR>
<CENTER><INPUT TYPE="SUBMIT"></CENTER>
</FORM>
</BODY></HTML>
{code}
servlet code is compiling without any errors, now where should i place the class file and html file in tomcat to execute this program..

webapps\yourapplicationname\WEB-INF\

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==========================================================
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=================================================================
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Its giving me errors such as FILENOTFOUNDEXCEPTION or cannot read the property files.
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