Thursday, 5 December 2013

Links and Associations

A link is a physical or conceptual connection between object instances. In
OMT link is represented by a line labeled with its name as shown in Figure


An association describes a group of links with common structure and common 
semantics between two or more classes. Association is represented by a line 
labeled with the association name 
Associations can have role names associated each class connection.Associations can also have qualifiers on the class connections. qualifiers are special attributes that reduce the effective multiplicity

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