# inventorym

* Enumerations: InventoryType and TransactionOperationEnum
* Exception Classes: Four custom exception types
* Value Object: Address class
* Customer Management: Customer, CustomerList, and CustomerManager
* Inventory Management: Abstract InventoryPiece with concrete implementations (Drawing, Painting, Print, Sculpture), plus InventoryList and InventoryManager
* Transaction Management: Transaction, TransactionList, and TransactionManager
* Data Repository: Singleton DataRepository for data operations
* 
Relationships shown:

Inheritance (hollow arrows)
Associations (regular arrows)
Composition (diamond arrows)
Dependencies (dashed arrows)

Mapulator.