Object-Oriented Methodology

Analysis

• Define model in terms of what is to be done.
• Objects at this level are application domain concepts.

System Design

• System decomposition based on the analysis.
• Performance and system resources.
• Define specifications such as communication protocols or memory management requirements.

Object Design

• Based on the analysis model with implementation details.
• Augment objects from analysis with data structures and required algorithms to implement each class

Implementation

• Based on the system design.
• Classes, Attributes, and Operations implemented in a language

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