Programmatic menus offer a more flexible way in comparison with the declarative approach. The whole menu structure can be created in Java and bound as a model to the
p:menu tag. Programmatic menu creation is the best choice when we load a menu definition from a database or XML file, and if the menu structure is not known beforehand.
In this recipe, we will learn about the PrimeFaces menu model and create a programmatic menu.
Every programmatically created menu instance should implement the
org.primefaces.model.MenuModel Java interface. PrimeFaces provides a default implementation,
org.primefaces.model.DefaultMenuModel, that is sufficient to use in most cases. Your own customized implementations of