DAO DTO design pattern

Hi,using dao and dto i want to perform insert,update and delete operation.and the data should navigate from 1 frame 2 another.that page should b smthng like this:

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

<% List userList; int nouser; int i = 1; %> <% userList = (ArrayList) request.getAttribute("useridList"); nouser = userList.size(); %>

    <title>Configuring Page</title>

</head>

<body>

    <form action="ModuleServlet">
        <center>
            <select name="empno">
                <option value="0" selected="selected">
                    Select empno
                </option>
                <%
                    Iterator userit = userList.iterator();
                    while (userit.hasNext()) {
                        while (i <= nouser) {
                %>
                <option value="<%=i%>"><%=userit.next()%></option>
                <%
                    i++;
                        }
                    }
                %>
            </select>
            <input type="submit" name="Go" value="Go">
            </center>
    </form>

    <form action="ModuleServlet">
        <center>
        <textarea rows="3" cols="22" readonly="readonly"></textarea>
        <input type="submit" name="Submit" value="Include">
        <input type="submit" name="Submit" value="Include All">
        <input type="submit" name="Submit" value="Exclude">
        <input type="submit" name="Submit" value="Exclude All">

        <textarea rows="3" cols="22" readonly="readonly">


        </textarea>


        <br></br>

        <input type="submit" name="Submit" value="Save">
        </center>
    </form>

</body>

TASK: You will need to develop an application with a login screen. When a user logs in, he should be able to view only those modules which are assigned to him in the menu. There should be a screen to configure the user-module relation.

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