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Category: UML


UseCase Diagram – Basic

 Do not take UseCase as Function Satomi from Astah gives a short introduction of UseCase using a sample of DVD rental system. Enjoy the video at


Header-Detail Pattern for “Purchase Order”

 “Header-Detail” modeling pattern Kenji Hiranabe (CEO of Astah) explains a well-known analysis pattern called “Header-Detail” using a “Purchase Order” form commonly used in real-life business. Watch video at


Sequence Diagram – Basic

 Sequence expresses how multiple object work together to accomplish a goal Kenji Hiranabe (CEO of Astah) is lecturing the basic of Sequence diagram using an example of application system runs […]