This UML Object Diagram for login is a type of object diagram that depicts some runtime objects associated with the web user login process. The LoginController class instance login ctrl has several slots with structural features of Integer and String types and corresponding value specifications. LoginController instances are also linked to UserManager, CookieManager, and Logger instances. Logger is shared by LoginController, UserManager, and HibernateUserDAO (Data Access Object). The private attribute default URIs of UserManager is an ordered collection (array) of 5 unique Strings. The CookieManager instance has two public structural features with specified values. The majority of links are not navigable backward.