UML

1. Use Case

The use case Diagram is the use case for a Gym Facilities Subscription and Notification system

Actors:

• Gym (Publisher)
• Individual (Subscriber)

Use Cases:

• Subscribe to Exercise Facility
• Unsubscribe from Exercise Facility
• Publish Facility Availability
• View Available Facilities
• Manage Facility Notifications (for Gym)

Include:

• View Exercise Facility Details
• Modify Facility Availability Information (for Gym)
• Set Notification Preferences (for Individual)
• Receive Emergency Notifications (for Individual)

 

2. Class Diagram

 

3. Sequence Diagram

 

4. State Machine Diagram

UML solution