SE
S E Q U E N C E D I AG R AM
TAI L A J AB E E N
1
,Sequence diagrams
A sequence diagram shows the timing of interactions between
objects as they occur. A systems analyst might use a sequence
diagram to show all possible outcomes, or focus on a single
scenario.
A sequence diagram simply depicts interaction between objects in
a sequential order i.e. the order in which these interactions take
place.
Also known as event diagrams or event scenarios
These diagrams are widely used by businessmen and software
developers to document and understand requirements for new
and existing systems.
2
,Participants in a Sequence
Diagram
A sequence diagram is made up of a collection of participants the parts of
your system that interact with each other during the sequence.
3
, Time
Time on a sequence diagram is all about the ordering not duration
4
S E Q U E N C E D I AG R AM
TAI L A J AB E E N
1
,Sequence diagrams
A sequence diagram shows the timing of interactions between
objects as they occur. A systems analyst might use a sequence
diagram to show all possible outcomes, or focus on a single
scenario.
A sequence diagram simply depicts interaction between objects in
a sequential order i.e. the order in which these interactions take
place.
Also known as event diagrams or event scenarios
These diagrams are widely used by businessmen and software
developers to document and understand requirements for new
and existing systems.
2
,Participants in a Sequence
Diagram
A sequence diagram is made up of a collection of participants the parts of
your system that interact with each other during the sequence.
3
, Time
Time on a sequence diagram is all about the ordering not duration
4