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05.05.2008 at 12:05AM PDT, ID: 23375819

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8.0

Class Diagram Aggregation vs Association

Zones: OMG UML Programming Language, .Net Editors & IDEs

Dear EE
if you please find attached document contains 2 digrams
I am a new learner in UML and Class Diagram
I am very confused about the different between:

This is what I got from my suffering in the internet
1.      Aggregation:
a.      Student Studies Course
b.      In the simplest terms, a relationship between two classes is shown by a line
c.      The line connecting the two classes has an arrow to indicate the 'direction' of the ASSOCIATION.
d.      The links shown above is an example of a 'named association'; it is the most general kind of link.
e.      Book, that is, a library member can borrow up to six books. At the same time, a book can only be on loan to one member.

f.      One-many
g.      Many-many
2.      Association:
a.      IS Part OF
b.      An Army is an aggregate of one or more soldiers and one or more weapons''. The aggregation is LOOSE expressing a whole-part relationship between the army and its constituents.
c.      Master detail
d.      Parent Child

My Question is here:
1.      What is the different between Master Detail and Parent to Child?

Please advise me, I am so confused.

Thank you,

Attachments:

null

Class-Diagram-Aggregation-vs-Ass.doc (30 KB) (File Type Details)

Class Diagram Aggregation vs Association

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Question Stats

Zone: Programming

Question Asked By: RamyBouchra

Solution Provided By: sunnycoder

Participating Experts: 1

Solution Grade: A

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