ArrayList get attribute

 <%ArrayList a= (ArrayList)request.getAttribute("my");
        ArrayList b=new ArrayList();%>
        <table>
            <tr><th>id</th><th>Name</th><th>Address</th></tr>
            <%for(int i=0;i<a.size();i++){ 
                b=(ArrayList)a.get(i);%>
            <tr><td><%=b.get(0)%></td><td><%=b.get(1)%></td><td><%=b.get(2)%></td></tr>
            <%}%>
        </table>

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