What is a .PU file?
The .PU file extension is associated with PlantUML, a tool used for creating diagrams from plain text. PlantUML is popular because it integrates with various applications like Microsoft Word and can be used in different programming environments, such as Java. The content of a .PU file is essentially instructions written in a simple, readable code that tells PlantUML how to generate visual diagrams. These diagrams can be in various forms, including sequence, use case, class, activity, component, state, and object diagrams. The .PU file format is identical to the .PLANTUML file format.
To view or edit a .PU file, you need to use the PlantUML software. PlantUML can output the diagrams in several graphic formats, such as PNG or SVG, which are widely used image formats that can be viewed in many image viewers.
Here is a brief example of what the text inside a .PU file might look like for creating a sequence diagram: ``` @startuml Joseph → Fred: Hello there! Fred -→ Joseph: Hello back! @enduml ``` In this example, the diagram would visually represent a conversation between two people, Joseph and Fred, with arrows showing the direction of the conversation. The text "Hello there!" and "Hello back!" would appear alongside the arrows. The lines `@startuml` and `@enduml` are used to start and end the diagram description in the file.
To use PlantUML, you typically need to download it as a .JAR file, which is a Java ARchive and can be run on any device that supports Java. Detailed instructions on how to run PlantUML can be found on the official PlantUML website or documentation.
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