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Question

What is the purpose of the is-a relation in object-oriented design?

a.

To describe the relationship between a set and its members

b.

To describe the real-world part-of relationship

c.

To organize objects into a hierarchy

d.

To describe the representational part-of relationship

Posted under Software Engineering

Answer: (c).To organize objects into a hierarchy Explanation:The is-a relation is one way to organize (object) types into a hierarchy.

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