SOFTWARE DESIGN
OBJECT ORIENTED DESIGN
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements about shared aggregations are true?
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Shared aggregations are used to express an is-a relationship.
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Chains of shared aggregation links may form a cycle..
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The multiplicity of a shared aggregation may be ≥1.
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A shared aggregation is shown by a solid-filled diamond on the end of an association line.
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Explanation:
Detailed explanation-1: -the statement which is true about class diagram is that it depicts the relationship between the classes.
Detailed explanation-2: -Which of the following is true for a primary key? Explanation: In a relational schema, there exists only one primary key, and it can’t take null values.
There is 1 question to complete.