casestree.blogg.se

When the user gets a login, now there is a choice for the user, that the user can search a friend or not( extend). It totally depends on the choice of the user( extend). When the user gets a login, now there is a choice for the user, that user can upload a profile picture or not. So we also draw a direct arrow from the user to login (extend). Once the user creates an account, now the user can log in every time without “signup”. The direction of the arrow represents that “register” is compulsory before “login”. So it means that register is a must to get a login (included). After register user can log in to the system. After searching a friend user can add friend.įigure 1 represents the actions of a social website. The Registered user should also be able to search for a friend. After that, the user can log in to the system and can change his profile picture. You need to develop a social networking website with the following functionalities First of all, the user should create his account. Example 1: Case Study of Use Case Diagrams