Java homework please help! :(?

I coded a script, Currently I can add and delete items to the database but I cannot edit the data. Here's my 3 paged script :

Christmasswishlist.java

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.sql.*;

/**

* Servlet implementation class for Servlet: ChristmasWishlist

*

*/

public class ChristmasWishlist extends javax.servlet.http.HttpServlet implements

javax.servlet.Servlet

%26#123;

static final long serialVersionUID = 1L;

/*

* Connect to the database

*/

/*

* (non-Java-doc)

*

* @see javax.servlet.http.HttpServlet#HttpServl...

*/

public ChristmasWishlist()

%26#123;

super();

%26#125;

/*

* (non-Java-doc)

*

* @see javax.servlet.http.HttpServlet#doGet(Htt... request,

* HttpServletResponse response)

*/

protected void doGet(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException

%26#123;

// TODO Auto-generated method stub

process(request, response);

%26#125;

/*

* (non-Java-doc)

*

* @see javax.servlet.http.HttpServlet#doPost(Ht... request,

* HttpServletResponse response)

*/

protected void doPost(HttpServletRequest request,