Which relationship is illustrated by a line that begins with an unfilled diamond?
A. Composition
B. Abstraction
C. Aggregation
D. Inheritance
Answer:A
Which relationship is illustrated by a line that begins with an unfilled diamond?
A. Composition B. Abstraction C. Aggregation D. Inheritance
Explanation: In the case of aggregation, the contained objects are a core part of the container, but they can also be contained by other objects at the same time.