A composition or "has-a" relationship is represented in the UML by:
A) Attaching a solid diamond to the association line.
B) Attaching a solid triangle to the association line.
C) Making the association line bolded.
D) Making the association line dashed

Question

Quizplus · Accepted Answer

A solid diamond is used to represent a composition or "has-a" relationship in UML. This signifies that one class contains objects of another class as part of its own internal structure, where the contained objects cannot exist without the container object.

A Composition or "Has-A" Relationship Is Represented in the UML