怎么老报这个错误？random

package com.myweb7_count;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.Random; //yntax error on token ";", import expected after this token

java.sql.Connection;

import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.ws.Response;

import com.mysql.jdbc.Connection;
import com.mysql.jdbc.PreparedStatement;

public class CountServlet extends HttpServlet {
public Random random=new Random();
private static final long Random = 0;

/**
 * Constructor of the object.
 */
public CountServlet() {
    super();
}

/**
 * Destruction of the servlet. <br>
 */
public void destroy() {
    super.destroy(); // Just puts "destroy" string in log
    // Put your code here
}

/**
 * The doGet method of the servlet. <br>
 *
 * This method is called when a form has its tag value method equals to get.
 * 
 * @param request the request send by the client to the server
 * @param response the response send by the server to the client
 * @throws ServletException if an error occurred
 * @throws IOException if an error occurred
 */
public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String id=null;
        Cookie[] cookies=request.getCookies();
        if(cookies!=null){
            for (Cookie cookie : cookies) {
                if(cookie.getName().equals("count_id")){
                    id=cookie.getValue();
                    break;
                };
            }
        }
        if(cookies==null){  //新客户
            id=System.currentTimeMillis()+"R"+random.nextInt(1000)+"R"+random.nextInt(100000);
            Cookie cookie=new Cookie("count_id", id);
            cookie.setMaxAge(60*60*24*30);
            response.addCookie(cookie);
            }
        //发送过来的页面
        String page=request.getParameter("page");
        java.sql.Connection conn=null;
        try {
            conn=DBManager.getDBManager().getConn();
            java.sql.PreparedStatement pst=conn.prepareStatement("INSERT INTO INFOS(bh,rq,ctime,pagename,ip,port)values(?,?,sysdate(),?,?.?)");
            pst.setString(1, id);
            pst.setString(2, "");
            pst.setString(3,page);
            pst.setString(4, request.getRemoteAddr());
            pst.setInt(5, request.getRemotePort());
            pst.executeQuery();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        finally{
            try {
                conn.close();
            } catch (SQLException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        response.setContentType("text/html;charset=utf-8");
        PrintWriter out=response.getWriter();

        }


/**
 * Initialization of the servlet. <br>
 *
 * @throws ServletException if an error occurs
 */
public void init() throws ServletException {
    // Put your code here
}

}

import java.sql.Connection;