Elements of the collaboration diagram

Describe in brief the various elements of the collaboration diagram?

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The various elements of the collaboration diagram are as follows:

a) Object: The interaction between objects occurs in a system. The object is depicted through a rectangle with the name of object, preceded by a colon and underline.

b) Relation or Association: Association among objects is linked by joining them. The cardinality can be depicted through placing qualifiers on either ends.

c) Messages: An arrow which commencing from one object to destination object. This depicts the interaction among objects. The sequence or order of interaction is depicted through the number.

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