18
•
Activity Diagram
•
Physical Diagram: Component Diagram and Deployment Diagram
In
this
thesis,
not all
the diagrams are
used.
Use
case, Class, Sequence, Activity
diagram will be used to represent the system.
2.4.1 Use Case Diagram
Use
case
diagram
is
a
very
important
part
in
UML
(Unified
Modeling
Language). It
is
used
during
the
analysis
phase
of
a
project
to
identify
and
partition
system functionality
[8]
.
This
symbol
represents the
actor,
the
role
played
by
users
of
the
system.
This symbol represents the
use case, which describes the
behavior of a system where the actor sends an
input. Use
case convert it
to an output and depend on
the system, it
can be another input for another use case.
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