State the concept of multiplicity, Computer Engineering

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Multiplicity

Multiplicity in an association specifies tells us about number of objects participate in a relationship. It decides the number of related objects. Multiplicity is normally explained as "one" or "many," but generally it is a subset of the non-negative integers.

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In associations, generally movement can be in any directions of the relationships but if you want to be specific regarding particular direction, you have to mark it by an arrow as shown in Figure.

 

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