What is Analysis and Design?

Ø Analysis

Analysis emphasizes an investigation of the problem and requirements,rather than a solution.

Ø Design

Design emphasizes a conceptual solution (in software and hardware) that fulfills the requirements,rather than its implementation.

What is Object-Oriented Analysis and Design?

Ø Object-orientedanalysis

During object-oriented analysisthere is an emphasis on finding and describing the objects or concepts in theproblem domain. For example,in the case of the flight information system,someof the concepts include Plane,Flight,and Pilot.

Ø Object-orienteddesign

During object-oriented design (orsimply,object design) there is an emphasis on defining software objects and how they collaborate to fulfill the requirements. For example,a Plane software object may have a tailNumber attribute and a getFlightHistory method.