Multiple choice

User-A relationship is______

  1. loosely coupled

  2. tightly coupled

  3. can be either loosely or tightly coupled

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

User-A association in UML represents a 'uses' relationship where one class uses the services of another. This is loosely coupled because the classes have independent lifecycles and no ownership - the using class can exist without the used class. Option B (tightly coupled) describes composition or aggregation where lifecycles are dependent.

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