This use case allows the customer who needs a certain product or service to purchase it. Make a purchase: the use case has an extension to the complete check out and customer. Moreover, the view items use case also has further optional extensions that allow the customer to check out for an item, and they include service authentication and identity provider options. View Items: this is a top-level use case that is used by a customer in a situation whereby the customer wants to find or see a certain product. The following is an online shopping UML use case diagram example with the top-level use case that includes View items, Make a purchase, complete checkout, and log in. Online shopping stores use search features to help their customers to get particular items they need. Online shopping allows customers to buy and sell goods and services over the internet by use of a web browser. Webmaster: under this element, the webmaster has the use case extension to upload docs, post new events to the homepage and add a user.Įxample 3: Online Shopping System Example The site user also has options to preview the doc. Under the search docs use case, the site user can download docs and the browse doc extension. The site user can extend to the following use cases that are search docs-full text, browse docs, view events, log in or even upload docs. Site User: this is a key entity in the website use case diagram. This illustrates how a web system can be used, and the following are the various UML use case diagrams that have two key elements the site user and webmaster. Website use diagram is another example of the use case diagram examples. System Administrator: under the system administrator has the following use case to manage the user and the user management. The query statistics extents to the score preview table and the student score distribution diagram. Moreover, the score management has further use cases, including the term management and the student's score preview table. The student management use cases have two use case extensions that is course management and term management.
Under the basic data, management has a further extension of class management and course management. User: The use case of the system user includes basic data management, student management, score management, and query statistics. Teaching Affairs Administrator: The use case of the teaching affairs administrator includes managing the user and the login system. The main UML use case diagram in the student management includes the following The student’s management use case is a demonstration of the elements of the student management system and how they interact. Example 5: Inventory Management UML Case DiagramĮxample 1: Student’s Management Use Case Example.Example 3: Online Shopping System Diagram.Example 2: Website Use Case Diagram Example.Example 1: Student Management Use Case Diagram.
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