Identify objects and relationships
Identifying objects and decomposing your software project into participating objects from scenarios and use cases is an essential step in the analysis and design of software systems. Objects represent your system’s key entities and concepts; understanding them is crucial for creating a well-structured object model. We identify objects in real life as we interact with the world, such as houses, cars, and people. Here’s how you can identify objects from scenarios and use cases:
- Read the scenarios and use cases: Start by carefully reading the scenarios and use cases that describe the system’s functionality. These are typically written in natural language and provide a high-level overview of what the system is supposed to do.
- Identify nouns: Look for nouns or noun phrases in the scenarios and use cases. These often represent potential objects in the system. For example, in a scenario describing a library, nouns such as...
