This is my servlet code Plese help me...

Code java:
/*
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 * and open the template in the editor.
 */
 
package test;
 
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet; // its mendatory for this program.
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
 
/**
 *
 * @author ANU_RAG
 */
public class DropDown1 extends HttpServlet {
String a,b;
    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String q="select Roomno from shivalik";
        String q1="select Bedno from shivalik";
        try{
//        try {
            ResultSet j=test.DBService.selectData(q);
 
 
              out.print("<b>Room No:</b><select name='rn'>");
              out.print("<option value='select'>----select Room----</option><br>");
 
            while(j.next())
              {
                out.print("<tr><td>"+j.getString(1)+"</td></tr>");
                a = j.getString(1);
 
                out.print("<option value="+a+">"+a+"</option>");
 
 
             }
              out.print("<br>");
//              }catch(Exception e){}
        // another try block
              try{
 
                  ResultSet k=test.DBService.selectData(q1);
                  out.print("<b>Bed No.:</b><select name='month'>");
                  out.print("<option value='select'>----select Bed No.----</option>");
            while(k.next())
              {
                 out.print("<tr><td>"+k.getString(1)+"</td></tr>");
                b = k.getString(1);
                out.print("<option value="+b+">"+b+"</option>");
 
              }
 
              }catch(Exception e){}
        // end of try block
             out.print("<center><a href='AdminMenu'><h3>Home</h3></a></center>");
        }catch(Exception e){}
        finally {
            out.close();
        }
    }
 
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
 
    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
 
    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
 
}
I got only one drop down box but another dropdown box is not appear on the output.
my database table has three fields
roomno , bedno, and status