Object-Oriented Analysis and Design

Object-Oriented Analysis and Design (OOAD) is a relatively new methodology compared to Model Driven Design or Rapid Application Development. In other methodologies purposely separate data concerns and process concerns. OOAD techniques are an attempt to eliminate the separation of concerns between data and processes.

In the attempt of merging the data and process concerns into a single object, OOAD introduce object diagrams that document a system in terms of its objects and interactions.

The purpose of the new, object-oriented analysis and design technique are to:

  1. Study existing objects to see if they can be reused or adapted for new uses
     
  2. Define new or modified objects that will be combined with existing objects into a useful business computing application.

This new format saves everyone a lot of time, but is typically used in a hybrid approach. With the new technology and new design aspects, converting of old systems is not always black and white or straight forward, the conversion of data, documents, and upgrade in knowledge has prevented this model from replacing more traditional methodologies.

 
 
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