if(action.equals("add")) System.out.println("add ?"); 

<table border="1">
<tr>
	<td>ID</td>
	<td>Name</td>
	<td>Description</td>
	<td>Price</td>
	<td>Count</td>
</tr>	
	<c:forEach items="${list}" var="product">
		<tr>
			<td>${product.getId()}</td>
			<td>${product.getName()}</td>
			<td>${product.getDescription()}</td>
			<td>${product.getPrice()}</td>
			<td>${product.getCount()}</td>
			<form name="Form" action="index.jsp" method="POST">
			<td><input type="text" name="c1" size="1" value="0">
			<input type="hidden" name="action" value="add">
			<input type="hidden" name="id" value="${product.getId()}">
			<input type="hidden" name= "c2" value="${product.getCount()}" ></td>
 			<td><input type="submit" name="Submit" value="Add to Cart"></td>
 			</form>
		</tr>
	</c:forEach>
</table>

protected void doGet(
			HttpServletRequest request, 
			HttpServletResponse response) 
					throws ServletException, IOException {

    	HttpSession session = request.getSession(true);
    	List buylist = (ArrayList<Product>)session.getAttribute("shopping");
    	String action = request.getParameter("action");
    	
    	if(action.equals("add")) System.out.println("add ?");
    	
    	List<Product> list = productDaoImpl.getAllProduct();
		request.setAttribute("list", list);
		
		session.setAttribute("shopping", buylist);
		
		request.getRequestDispatcher("products.jsp").forward(request, response);
		
	}