A good methodology enables one to model a system without mentioning any specific implementation. A good model allows the designers the ability to concentrate on what the system should be rather than being bothered by initial implementation details. Models are a way good to communicate between the designers and client without deep computer science backgrounds. Models may also serve as a road map for the end users, from which they can understand the concepts in the design.
There are many formal methodologies in software engineering, one being object-orientation. Object-orientation (O-O) is…
