Numbers at each end of the class association indicate the range of numbers of instances of classes allowed in the relationship. To ensure effective communication of the class diagram between business and IT, it is critical that the associations are named clearly to reflect the business rules they support. Classes are linked together by associations, which will be in the form of a meaningful business phrase linking two classes, for example: The attributes are listed below the class, with the operations listed at the bottom. To draw a diagram, a class is represented by a rectangular container, which contains the name of the class in the top compartment. In local councils, this could be customers, leisure events, council buildings etc. Attributes are individual pieces of data contained within that class and operations are messages sent to that class by other classes.Ī class could be anything about which information is to be stored. Kelas menggambarkan keadaan atributproperti suatu sistem, sekaligus menawarkan layanan untuk memanipulasi keadaan tersebut layananmetodafungsi. Classes are groups of objects within a system that share common sets of features attributes and operations. 8.2 Pendefinisian Kelas pada Diagram Kelas KelasClass adalah sebuah spesifikasi yang jika diinstansiasi akan menghasilkan sebuah objek dan merupakan inti dari pengembangan dan desain berorientasi objek.
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