Process Flowchart VS Use Case Diagram
Typically, Use Cases are related to the interactions between people and systems. A process flowchart will usually be a graphical representation of how a business object like an Order.
When would we use the use case diagram to plan out and when
would you use flowcharts?
Flowchart VS Use Case
Flowcharts are often used for documentation
purposes because many different people use that documentation and flowcharts are
easier to follow than pseudo code for non programmers.
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Easy to draw and analyze.
Easy to understand.
High-level, end-to-end visualizations.
Widely used for various purposes.
Use case diagram is a sub class of behavioral
diagrams which shows how a system interacts with the external entities. So, it
is relatively sparse about the details of how the system behaves internally and
how the external environment is configured. Indeed, use case diagram shows what
we want the system to do rather than describe how it can be accomplished. One of
the major benefits of this diagram is communication. Once a process flow is
sketched out, the individual steps in a process flow usually are good candidates
for further elaboration of details with Use Cases.
More detailed stuff.
Represent complex things.
Who Use Flowchart
Process flowchart is commonly used by the product
manager, designer, or people who need to talk about how the business works.
Who Use Use Case
The use case diagram is extensively used by the product
manager and development engineer.
Flowcharts and use case diagram often have the same
level of expressiveness, but differ in linearization. Flowcharts are a higher
abstraction level, used before writing use case or for documentation.
Typically, Use Cases are related to the interactions
between people and systems. A process flowchart will usually be a graphical
representation of how a business object like an order will flow through various
business rules and system states. For a really complicated problem, you would
use flowcharts first, then use case diagram.
A good flowchart tool will
save you lots of time. Edraw Max can draw both flowcharts and use case diagrams. You needn't
concern about the drawing skill, but only understand the whole process flowchart.
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