Elements of the collaboration diagram

Write down the different elements of the collaboration diagram.

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

ii) Relation/Association: Association between objects is linked by connecting them. The cardinality can be explained by placing qualifiers on either ends.

iii) Messages: An arrow which commencing from one object to destination object. This depicts and shows the interaction between objects. The sequence or arrangement of the interaction is explained by the number.

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