عندي Error خطير في هذا الكود ؟ كيف احله ؟

السلام عليكــم ورحمـة الله وبركاتــة

اخواني انا ابي اربط صفحة تسجيل Registration بقاعدة البيانات حقتي ولكن يعطيني انو ماهو متعرف على

import javax.servlet.*;

وبرضو ما هو متعر على

import javax.servlet.http*;

وهذه رسايل الخطا اللي يعطيني اياها ؟

register.java:4: package javax.servlet does not exist
import javax.servlet.*;

و

register.java:5: package javax.servlet does not exist
import javax.servlet.http*;

وهذا الكود كامل

package coreservlets;

import java.io.*;
import javax.servlet.*; 
import javax.servlet.http.*; 
import javax.sql.*;
import java.sql.*;
import java.util.*;
import coreservlets.beans.*;

public class register extends HttpServlet
{

private String driver;
private String url;
private String username;
private String password;

//public TestDatabase(String driver, String url,
// String username, String password) {
//this.driver = driver;
//this.url = url;
//this.username = username;
//this.password = password;
//}

public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
System.out.println("MySQL Connect .");
Connection conn = null;
String url = "jdbc:mysql://localhost:3306/";
String dbName = "name";
String driver = "com.mysql.jdbc.Driver";
String userName = "username";
String password = "password";
String email = request.getParameter("username").toString(); //email
String upassword = request.getParameter("password").toString();
String f_name = request.getParameter("firstname").toString();
String l_name = request.getParameter("surname").toString();
//String birth = request.getParameter("birthday").toString(); 
String gender = request.getParameter("gender").toString();
String qualification = request.getParameter("qual").toString();
String mobile = request.getParameter("mobile").toString();
String p_code = request.getParameter("postcode").toString();
Statement stmt;
try
{
Class.forName(driver).newInstance();
conn = DriverManager.getConnection(url+dbName,userName,password);
System.out.println("Connected to the database");
ArrayList al=null;
ArrayList userList =new ArrayList();
String query = "insert into job set email='"+email+"',password='"+upassword+"',f_name='"+f_name+"',l_name='"+l_name+"',gender='"+gender+"',qualification='"+qualification+"',mobile='"+mobile+"',p_code='"+p_code+"'"; //birth='"+birth+"',
stmt = conn.createStatement();
int i = stmt.executeUpdate(query);
System.out.println("query" + query);
if(i>0)
{
response.sendRedirect("servletRecord");
}
conn.close();
System.out.println("Disconnected from database");
}
catch (Exception e) {
e.printStackTrace();
}
}
}

فما هو رايكم في المشكله ؟