A. Use Case, Sequence
B. Class, Object
C. Activity, State Chart
D. All of the mentioned
✅ The correct answer is option A.
Explanation: Use case modeling is mostly used to model interactions between a system and external actors. Sequence diagrams are used to model interactions between system components, although external agents may also be included.
Explanation: Use case modeling is mostly used to model interactions between a system and external actors. Sequence diagrams are used to model interactions between system components, although external agents may also be included.