Object Oriented Software Engineering   View all facts   Glossary   Help
subject > component > layer
Next componentmodule    Upcomponent    Previous componentisolated component   

layer comparison table
Subject know be use has definition handle contain see also
kernel layer reusable if it can be used in several different systems with little or no modification  such functions as process creation, swapping and scheduling  
model^2what view and controller are attached to itreusable if it can be used in several different systems with little or no modificationthe observer design pattern to separate it from the viewThe functional layer in the MVC architectural pattern - the underlying classes whose instances are to be viewed and manipulated contains the underlying classes whose instances are to be viewed and manipulatedmodel
user interface layer at the top of a multi-layer system  the user interface  

Next componentmodule    Upcomponent    Previous componentisolated component