Common Mistakes of Use Case Diagrams

Common Mistakes while drawing Use Case Diagrams

Mistake 1

Arrow of include must  be on opposite side of base use case. For example,  here withdraw  money is base use case.

arrow side of include use case diagrams
arrow side of include use case diagrams

Mistake 2

It is necessary to name each boundary. Here we have named it as Bank management system.

arrow side of include use case
arrow side of include use case

Mistake 3

Arrow of extend must  be on  side of base use case. For example, here withdraw  money is base use case.

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extend arrow direction on use case diagrams

Mistake 4

Don’t link child use case directly with user symbol. You can link the child use case with parent.

inheritance in use case diagram
inheritance in use case diagram

Mistake 5

How use case diagram relationship works
How to use case diagram relationship works

Mistake 6

common mistakes in drawing use case diagram
common mistakes in drawing use case diagram

Mistake 7

login logout use case diagram
login logout use case diagram

Mistake 8

user representation mistakes in use case diagram
user representation mistakes in use case diagram

Mistake 9

How to name a use case in UML diagrams
How to name a use case in UML diagrams

Mistake 10

How many use case diagrams are possible for a single project?

how many use case diagrams are possible for a project
how many use case diagrams are possible for a project

Mistake 11

login use case diagram
login use case diagram

Mistake 12

use case name should be descriptive
use case name should be descriptive

Correct Diagram

 

Use case diagram of hospital management system
Use case diagram of the hospital management system

Read more about Use case diagram

  1. Use case diagram tutorial
  2. Common Mistakes of Use Case Diagrams
  3. Representing Use Case Diagram with SUC Table
  4. UML MCQs

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