Modeling a System

Modeling a System

1. Heuristics to design a system

   • 1. Identify all active objects with reactive behavior
   • 2. Assign responsibilities and resources to objects
   • 3. Identify system events
   • 4. Use class and sequence diagrams
     • Example
     • Example
   • 5. Implement a state machine for each object
   • Each active object will become a task in the system

2. Abstractions and models

   • The use of models (abstraction) helps to structure thinking and leads to a better designed solution

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