can be depicted. In below the writer shows some use case diagram in the Certificate Vending Machine.
1. Use Case Diagram for Certificate Vending Machine
Picture 4.6
Use Case Diagram for CVM
d. Use case scenario
Use case scenario is a more detailed explanation about each use case that occurred in the system. Use case scenario consists of:
1. Use case name is the name that will be described.
2. Actors involved. 3. Trigger.
4. Precondition is important for the use case to start. 5. Action.
6. Post condition describing the state of the system after the use case ends. After explaining the use case on previous discussion, the following will
explain the use case specifications that have been determined. a. printing College Certificate
Table 4.53
Use case scenario printing College Certificate
Use case Name
Printing College Certificate
Actors Involved
Students, alumni
Trigger
Actor can print hisher College Certificate that be understood by hisher
faculty.
Pre condition
Hisher data and surat order already exist in database.
Action
Ask CVM for print the required letter
Post condition
Surat with hisher data printed out.
b. Printing Surat IPK and IPS
Table 4.54 Use case scenario printing Surat IPK and IPS
Use case Name
Printing Surat IPK and IPS
Actors Involved
Students
Trigger
Actor can print hisher surat IPK and IPS that be understood by hisher
faculty.
Pre condition
Hisher data and surat order already exist in database.
Action
Ask CVM for print the required letter
Post condition
Surat with hisher data printed out. c. Printing Transcripts
Table 4.55 Use case scenario printing Transcripts
Use case Name Printing Transcripts
Actors Involved Students, alumni
Trigger Actor can print hisher Transcripts that
be understood by hisher faculty.
Pre condition Hisher data and surat order already
exist in database.
Action
Ask CVM for print the required letter
Post condition
Surat with hisher data printed out.
d. Printing Surat lulus
Table 4.56 Use case scenario printing Surat lulus
Use case Name
Printing Surat lulus
Actors Involved
Alumni
Trigger Actor can print hisher surat lulus that
be understood by hisher faculty.
Pre condition Hisher data and surat order already
exist in database.
Action Ask CVM for print the required letter
Post condition Surat with hisher data printed out.
e. Activity Diagram Design
