I have following objects:
AllManagers.java
 ArrayList managers;
Manager.java
 String name;
 Arraylist employees;
Employee.java
 String name;
 int yearsOfService;
I'd like to be able to show one table, AllManagers, each row of which contains information about each manager - name and in the next cell a list of all his employees.
So I started with
<h:dataTable value=#{allManagers} var="manager">
<h:dataTable value="#{manager.employees}" var="employee">
<h:column>
 <h:selectOneMenu readonly="true">
 <f:selectItems value="#{employee.name}" />
 </h:selectOneMenu>
</h:column>