Mysql

package makedb;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class table extends HttpServlet {

    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
          
            
            String host,port,usr,pwd;
            String db,tab;
            String message;
            
            
            host="10.1.72.51";
            port="50406";
            usr="yJjiQWEF";
            pwd="CQaqTSbb";
            
            db="makedb";
            tab="ren2";
            message="name varchar(100)";
            
            table2 sub=new table2();
            sub.host=host;
            sub.port=port;
            sub.pwd=pwd;
            sub.usr=usr;
            sub.makedata(db,tab,message);

            
           insert sub2=new insert();
            sub2.host=host;
            sub2.port=port;
            sub2.pwd=pwd;
            sub2.usr=usr;
            sub2.makedata(db,tab,"acf");
            int count;
            
            select sub3=new select();
            sub3.host=host;
            sub3.port=port;
            sub3.pwd=pwd;
            sub3.usr=usr;
            sub3.makedata(db,tab);
            count=sub3.count;
            
            out.println(count);
            
            
            
        } finally {            
            out.close();
        }
    }

    // 
    /**
     * Handles the HTTP
     * GET 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
     * POST 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";
    }// 
}