What is an USECASE? Why it is needed?
- 8 Answers
- 16593 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / surendra singh (suraj)
It is useful to represent the complete and specific
funtionality that an actor(USER) is desirous of.
This functionality is shown by the USECASE model with the
help of Diagrams, i.e. Sequence Diagram and Colloboration
Diagram. It shows the various states of a work flow(Project
or Program).
| Is This Answer Correct ? | 16 Yes | 1 No |
Answer / shrikant
use case is a interaction between actor(USER) and System
(application), for single system there many use cases
depends on Requirements.
| Is This Answer Correct ? | 11 Yes | 0 No |
Answer / guest
Diagram which represents the requiremnets(usecase) of the
user(actor). its needed to represent the dynamic model at
the analysis stage to represent the graphical view of the
requiremnetal behaviour.
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / narendra vyas
use case represents diagrams. there are two types of use
cases BUC-> business use case and SUC-> system use case
In BUC we represent pictures related to Domain and SUC we
represents shapes like elipse,arrows etc. this is the very
first stage of design where we find out actors and related
activity. actor performs happy activity
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / zerozero
Types of UML Diagrams:
1. Use case Diagram
2. State Diagram
3. Class diagram,
4. Sequence diagram
5. Collaboration diagram
Use case: A set of scenarios that describing an interaction
between a user and a system, including alternatives.
Use case diagram-Uses:
Used for describing a set of user scenarios
Mainly used for capturing user requirements
Work like a contract between end user and software developers
Use case diagram-Core components:
a) Actor b) Use case c) System boundry
Use case diagram Relation's:
a)Association B) Generalization c) Include d) extend
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / ashok
A use case is a methodology used in system analysis to
identify, clarify, and organize system requirements. The
use case is made up of a set of possible sequences of
interactions between systems and users in a particular
environment and related to a particular goal.
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / 123
use case show the flow of the system,to be performed by the actor..
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sravan
an usecase is a sequence of actions which can be done by a
actor.
| Is This Answer Correct ? | 3 Yes | 4 No |
What are virtual functions, base class pointer, derived class pointer, biding references?
0 Answers HPCL, Hughes Systique Corporation,
Explain about realistic modeling?
How to make a class accessible as a web service?
Explain about abstraction?
What are the Differentiate between abstraction and encapsulation.
What is difference between encapsulation and abstraction?
Explain the use of Vtable and what are the various problems to override the functions?
If a method definition has been specified in the base class and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?
Write a program to show the inheritance used in a class.
Explain about object oriented databases?
Define exceptions?
State some of the advantages of object oriented programming?
Design Patterns 
