UML Diagrams

Kade Miller

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What’s UML?

UML = Unified Modeling Language. It’s how devs sketch out the blueprint of their system before coding. It shows what your system does.

Use UML to:

• Plan class layouts
• Show how objects communicate
• Track user actions

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Types of UML Diagrams:

Type	What It Does	When to Use It
Class	Shows classes and their relationships	Planning class structure or architecture
Sequence	Shows flow of messages over time	Mapping out object interactions
State	Shows state changes in an object	Visualizing different object modes
Use Case	Shows user actions + system features	Planning features from a user's POV

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What It Does: Shows classes, attributes, methods, and how they relate.