Object-oriented Systems Development Ali Bahrami Ppt Extra Quality Jun 2026

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+-------------------------------------------------------+ | OBJECT | | | | +-----------------------------------------------+ | | | METHODS | | | | (Behavior: Drive, Stop, Accelerate) | | | | | | | | +---------------------------------------+ | | | | | ATTRIBUTES | | | | | | (Data: Color, Speed, Model) | | | | | +---------------------------------------+ | | | +-----------------------------------------------+ | +-------------------------------------------------------+

| Feature | Structured (Waterfall) | OO (Bahrami) | |---------|------------------------|---------------| | Unit of decomposition | Functions | Objects | | Data & behavior | Separated | Unified | | Reusability | Low | High | | Maintenance | Difficult | Easier (localized changes) | | Life cycle | Linear, document-driven | Iterative, model-driven | object-oriented systems development ali bahrami ppt

Translates analysis models into a technical design suitable for implementation, focusing on class visibility and protocols.

Modular design makes debugging and updating isolated components easier. Let me know how you would like to

Capture actor interactions and define system boundaries.

The primary goal of this phase is to understand the domain and define the system needs to do. Identifying actors (users or external systems). Capture actor interactions and define system boundaries

Track the lifecycle and state transitions of a single reactive object. 5. Object-Oriented Methodologies: A Comparative View

A real-world entity or concept that has a state, behavior, and unique identity. For example, a Customer object has a state (name, account number) and behavior (place order, update address).