An aggregation association is drawn using which symbol?
2014
An aggregation association is drawn using which symbol?
- A.
A line which loops back on to the same table
- B.
A small open diamond at the end of a line connecting two tables
- C.
A small closed diamond at the end of a line connecting two tables
- D.
A small closed triangle at the end of a line connecting two tables
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Correct answer: B
In UML class diagrams, an aggregation association is depicted using an open diamond symbol at the end of a line connecting two classes. This distinguishes it from composition, which uses a filled diamond.
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