Subject: Object Oriented Modeling and Design

Difficulty: Medium

Marks: 8 Marks

Links: A Link is the basic relationship among objects. It is used in object diagrams. Helps inunderstanding the relationship between objects, with data values and multiplicity diagram.

Association: An association represents a family of links. A binary association (with two ends) is normally represented as a line. An association can link any number of classes. An association with three links is called a ternary association. An association can be named, and the ends of an association can be adorned with role names, ownership indicators, multiplicity, visibility, and other properties.