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

public class params2 extends HttpServlet {
  public void doGet(HttpServletRequest req, HttpServletResponse res)
           throws ServletException, IOException {
    doPost(req,res);
  }
  public void doPost(HttpServletRequest req, HttpServletResponse res)
           throws ServletException, IOException {

    PrintWriter out = res.getWriter();
    res.setContentType("text/html");

    HtmlHead hd = new HtmlHead("Main Page Output");
    HtmlBody bd = new HtmlBody();
    HtmlPage hp = new HtmlPage(hd, bd);

    String selPar[] = req.getParameterValues("sel");
    String chkPar[] = req.getParameterValues("chk");
    String optPar[] = req.getParameterValues("opt");
    String sessPar[] = req.getParameterValues("sessionId");
    
    for (int i=0; i<selPar.length; i++) {
      bd.addItem(new SimpleItem(selPar[i]))
        .addItem(SimpleItem.Paragraph);
    }

    for (int i=0; i<chkPar.length; i++) {
      bd.addItem(new SimpleItem(chkPar[i]))
        .addItem(SimpleItem.Paragraph);
    }

    for (int i=0; i<optPar.length; i++) {
      bd.addItem(new SimpleItem(optPar[i]))
        .addItem(SimpleItem.Paragraph);
    }

    bd.addItem(new SimpleItem(sessPar[0]))
      .addItem(SimpleItem.Paragraph);

    out.println(hp);
    out.close();
  }
}