Untitled

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Bem vindo</title>
    </head>
    <body>

        <%
            if ((session.getAttribute("login").equals(null)) || (session.getAttribute("login").equals(""))) {
        %>
        Você não esta logado. <a href="index.jsp">Por favor, entre com a sua conta.</a>
        <%
            } else {
        %>
        Seja bem vindo,
        <%=session.getAttribute("login")%>
        <center>
            <a href="http://localhost:8080/Atividade07/listUsers">Listar -
                Servlet</a><br> <a href="listar.jsp">Listar - JSP</a><br> <a
                href='logout.jsp'>Log out</a>
        </center>
        <%
            }
        %>
    </body>
    </html>


    Código da página login.jsp:

    <%@ page language="java" contentType="text/html; charset=ISO-8859-1"
        pageEncoding="ISO-8859-1"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Login</title>
    </head>
    <body>
        <form  action="checklogin.jsp" method="post">
            <center>
                <table border="1" width="30%" cellpadding="3">
                    <thead>
                        <tr>
                            <th colspan="2">Login</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <td>Login</td>
                            <td><input type="text" name="login"/></td>
                        </tr>
                        <tr>
                            <td>Senha</td>
                            <td><input type="password" name="senha"/></td>
                        </tr>
                        <tr>
                            <td><input type="submit" value="Login" /></td>
                            <td><input type="reset" value="Reset" /></td>
                        </tr>
                        <tr>
                            <td colspan="2">Ainda não esta cadastrado? <a href="register.jsp">Cadastra-se</a></td>
                        </tr>
                    </tbody>
                </table>
            </center>
        </form>
    </body>
    </html>