USE CASE DIAGRAM Flashcards
UML Symbol for an Actor
Stick man
Two Kinds of Relationships
Include
Extend
The UML has been accepted as a___
Object Management Group 1 (OMG).
UML Symbol for use case
Oval
represented as a dog-eared piece of paper with a line attaching the textbox to the element being annotated.
Notes
Who invented use case diagram?
Ivar Jacobson
are draw between actors and use cases and between use cases to show their relationships.
Arrows and lines
is a sequence of transactions performed by a system that yields an outwardly visible, measurable result of value for a particular actor.
Use Case Diagram
when a chunk of behavior is similar across more than one use case, and you don’t want to keep copying the description of that behavior.
Include
What is UML?
Unified Modeling Language
Who is the three amigos?
Rumbaugh, Jacobson, and Booch
represents whoever or whatever (person, machine, or other) interacts with the system.
Actor