Use cases and class diagrams in the Software Engineering

Question

Explain the use cases and class diagrams within the Software Engineering.

Answer 1

Use cases are defined as the graphical representation of the system parts and there interaction that is taking place. Usually, we depict the part of the systems that are involved in some activity as the actors.
Class Diagrams are considered as the part of designing process. After coming up with the use cases of system, we take every use case and come up with the classes which we require to carry out that functionality. Every class will have Class Name, attributes and operations associate with it.

Some of the attributes of the classes are -

a) Every class must have well described responsibilities.

b) These responsibilities must be cohesive that is the system as a whole looks sensible and looks together.