no mostrar select vacio

[goncafa]

<%
if(objLista.getTamanio() > 0) {
%>
<select name="des_menu" id ="des_menu" onChange="f_mostrar()">
<option value="0" selected>Elija</option>
<%for(int i=0;i<objLista.getTamanio();i++){
BeanMenu _userBean = (BeanMenu) objLista.getElemento(i);
%>
<option value="<%=_userBean.getCod_menu()%>"
<%=menu.equals(""+_userBean.getCod_menu())?"sele ct ed":""%>>
<%=_userBean.getDes_menu()%> </option>

<% }%>
</select>
<%
}
%>

Saludos