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Exam OMG-OCUP2-FOUND100 Topic 1 Question 78 Discussion

Actual exam question for OMG's OMG-OCUP2-FOUND100 exam
Question #: 78
Topic #: 1
Choose the correct answer:
Consider the following diagram fragment:

Which statement is correct about the parameter part?

Suggested Answer: A Vote an answer

In UML, when a class diagram shows an operation with a parameter that has a multiplicity of [0..1], it indicates that the parameter is optional. The range [0..1] means that the parameter can have 0 or 1 occurrence.
This does not mean it accepts a collection, nor does it specify the values it accepts (it specifies how many times the parameter can occur).
The correct interpretation of the parameterpar1 : Integer [0..1]is:
A: It is optional.
B is incorrect because the multiplicity [0..1] does not mean a collection of items; rather, it signifies that the parameter can be omitted or present, but not multiple times. C is incorrect because the multiplicity [0..1] does not constrain the values to 0 or 1; it refers to the number of instances of the parameter. D is incorrect because
[0..1] is not a range of values but a range of occurrences or instances of the parameter.
Therefore, the correct answer is:
A: It is optional.

by Dominic at Jun 12, 2025, 02:27 AM

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