Definition: What are the Sections of a Contract? - UML

A description of each section in a contract is shown in the following schema.

Operation: Name of operation, and parameters

Cross References:Use cases this operation can occur within

Preconditions: Noteworthy assumptions about the state of the system or objects in the Domain Model before execution of the operation. These are non - trivial assumptions the reader should be told.

Post conditions: This is the most important section. The state of objects in the Domain Model after completion of the operation. Discussed in detail in a following section.


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