4- Answer the following questions about the diagram below: a. What is this diagr

Question

4- Answer the following questions about the diagram below: a. What is this diagram called? b. Name the Classes in this diagram. C. What does the X mean at the end of the pipeline under :dorm d. How many messages are initiated by :newStudent? e. What is the second message initiated by newStudent? f. How many return messages are in this diagram? g. What is the third return message called? h. What class in this diagram has the shortest lifeline? i. Would:program be an Use Case of HnewStudent and why? j. Would :dorm be an or an > Use Case of newstudent and why? newStudent Userinterlace dorm program Student nitialize) return studentNumber selectDorm) return dormRoom selectProgram) ?

Explanation / Answer

Solution:

a)

This is an example of the sequence diagram.

b)

The classes are:

c)

It means termination of the class.

d)

Total 4 messages are iniitated by the newStudent.

e)

The second message is selectDorm

f)

Total 3 return messages are in the diagram.

g)

return programAdvisor

h)

dorm has the shortest lifeline

i)

<<extend>>

j)

<<extend>>

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