1. According to the diagram, what classes are used in this use case? Write down operations and instance variables for each of the classes using the follow format: Class name: xx..xx Attributes: + xx..xx ...... - xx..xx ...... Operations: + xx..xx
1. According to the diagram, what classes are used in this use case? Write down operations and instance variables for each of the classes using the follow format: Class name: xx..xx Attributes: + xx..xx ...... - xx..xx ...... Operations: + xx..xx
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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The following is a sequence diagram of part of a course register system which describes the use case Register a Course.
1. According to the diagram, what classes are used in this use case? Write down operations and instance variables for each of the classes using the follow format:
Class name: xx..xx
Attributes: + xx..xx
......
- xx..xx
......
Operations: + xx..xx
......
- xx..xx
......
2.According the the diagram, what is the multiplicity of the association between the class CourseSection and Course? Is this association bi-directional and why?
3. Explain the meanings of the following items in the diagram:
aStudent:Student
hasPrerequisite:=hasPassedCourse(prereq),
opt[hasPrerequisite]
![:GUI
:CourseSection
requestToRegister
opt [hasPrerequisite]
:Registration
create
hasPrerequisite:-hasPassed Course(prereq)
addToRegistration List
I
aStudent:Student
I
1
prereq: getPrerequisite
addToSchedule
1
:Course](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51abc412-2a5f-4512-b434-b29253ac71eb%2Fd426a53d-be54-4f4d-89c9-e5978af7a144%2Fb4ryq1_processed.png&w=3840&q=75)
Transcribed Image Text::GUI
:CourseSection
requestToRegister
opt [hasPrerequisite]
:Registration
create
hasPrerequisite:-hasPassed Course(prereq)
addToRegistration List
I
aStudent:Student
I
1
prereq: getPrerequisite
addToSchedule
1
:Course
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