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Chapter 4 · Development TechnologyPractice
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CONCEPT PRACTICE

UML sequence diagrams

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Volume 2 · Chapter 4 · Textbook Exercises · Q15

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Which of the following is an appropriate explanation of a UML sequence diagram?

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Source: FE Vol 2.pdf, PDF page 311–312, textbook p. 307 · Information-technology Promotion Agency, Japan · First Edition: April, 2015. ID: tb-v2-c4-q15. Publisher answer and commentary · private review.

Original question · Q15
Which of the following is an appropriate explanation of a UML sequence diagram?
a) This is a diagram that represents the relationships among objects and is used for the 
purpose of organizing message interactions in a time series.
b) This is a diagram that represents state transitions in objects and is used for the purpose 
of organizing object life cycles.
c) This is a diagram that represents system functions as viewed externally and is used for 
the purpose of organizing functional requirements through requirements definition,
and so on.
d) This is a diagram that represents the relationships among classes and is used for the 
purpose of organizing data relationships.

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