.PU File Extension
PlantUML File
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What is a PU file?
File created by PlantUML, an open source diagram writing tool used within programs like Microsoft Word or programming language like Java; contains text that is referenced by PlantUML to create diagram images that can be generated as .PNG or .SVG files; creates sequence, use case, class, activity, component, state, and object diagrams; same as the .PLANTUML file.
More Information
An example of the syntax used by the PU file for a sequence diagram:
@startuml
Joseph → Fred: Hello there!
Fred -→ Joseph: Hello back!
@enduml
This example would create a diagram of two persons named Joseph and Fred each sending and receiving a message. Joseph says to Fred, "Hello there!" and Fred says to Joseph, "Hello back!" Each message is indicated with arrows in the diagram. The @startuml line begins the comment and the @enduml line ends the comment.
NOTE: PlantUML is downloaded as a .JAR file, consult the PlantUML link below for how to run the tool.