case / activity / sequence / class diagrams

Question 1

Case Diagram

Answer 1

A case diagram is a type of diagram that shows the actors (users or external systems) and their interactions with the system being modeled. Case diagrams are used to capture the high-level functionality of the system and its external dependencies.

Question 2

Activity Diagram

Answer 2

An activity diagram is a type of UML diagram that models the workflow or business process of a system. It represents the flow of activities in a system, including decision points, branching, and concurrency.

Question 3

Sequence Diagram

Answer 3

A sequence diagram shows the interactions between objects in a system over time. It represents the dynamic behavior of the system, including the order and timing of messages exchanged between objects.

Question 4

Class Diagram

Answer 4

A class diagram shows the static structure of a system. It represents the classes, objects, attributes, and relationships between objects in the system. Class diagrams are used to model the structure of the code and are often used during the design phase of software development.