In this course Project an Action application was developed as a functional software solution designed to demonstrate core business operations through a set of essential use cases. It includes a database to store, organize, and manage application data, along with Product use case unit, Auction usecase, User, Messenger and the Product features/categories. Also test cases to validate the main functionalities and ensure their reliability. Although its scope is intentionally limited, the project provides a complete foundation, covering key user interactions, data management, and basic validation, while remaining extensible for future improvements.

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