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PrintWriter writer = response.getWriter();
        writer.println("<!DOCTYPE HTML>");
        writer.println("<html>");
        writer.println("<body>");
        writer.println("<h1>TEST H1</h1>");
        writer.println("<ul>");
        writer.println("<li>TESTE LI</li>");
        writer.println("<p>" + ConexaoBD.getName() + "</p>");
        writer.println("</ul>");
        writer.println("</body>");
        writer.println("</html>");

Connection con = null;
    Class.forName("org.postgresql.Driver");
    Properties props = new Properties();
    String url = "jdbc:postgresql://localhost/customers";
    props.setProperty("user","postgres");
    props.setProperty("password","pass");
    props.setProperty("ssl","true");
    con = DriverManager.getConnection(url, props);
    Statement st = con.createStatement();
    ResultSet rs = st.executeQuery("select * from table limit 1");
    return rs.getString(2);