PlantUML Language specification Object Diagram

       

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Object Diagram

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Definition of objects

@startuml object firstObject object "My Second Object" as o2 @enduml

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Relations between objects

@startuml object Object01 object Object02 object Object03 object Object04 object Object05 object Object06 object Object07 object Object08 Object01 <|-- Object02 Object03 *-- Object04 Object05 o-- "4" Object06 Object07 .. Object08 : some labels @enduml

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Associations objects

@startuml object o1 object o2 diamond dia object o3 o1 --> dia o2 --> dia dia --> o3 @enduml

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Adding fields

@startuml object user user : name = "Dummy" user : id = 123 @enduml

@startuml object user1 object user2 user1 : name = "User A" user2 : name = "User B" user1 : id = 123 user2 : id = 456 @enduml

@startuml object user { name = "Dummy" id = 123 } @enduml

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Common features with class diagrams

• Hide attributes, methods...
• Defines notes
• Use packages
• Skin the output

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Map table or associative array

@startuml map CapitalCity { UK => London USA => Washington Germany => Berlin } @enduml

@startuml map "Map **Contry => CapitalCity**" as CC { UK => London USA => Washington Germany => Berlin } @enduml

@startuml map "map: Map<Integer, String>" as users { 1 => Alice 2 => Bob 3 => Charlie } @enduml

@startuml object London map CapitalCity { UK *-> London USA => Washington Germany => Berlin } @enduml

@startuml object London object Washington object Berlin object NewYork map CapitalCity { UK *-> London USA *--> Washington Germany *---> Berlin } NewYork --> CapitalCity::USA @enduml

@startuml package foo { object baz } package bar { map A { b *-> foo.baz c => } } A::c --> foo @enduml

@startuml object Foo map Bar { abc=> def=> } object Baz Bar::abc --> Baz : Label one Foo --> Bar::def : Label two @enduml

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Program (or project) evaluation and review technique (PERT) with map

@startuml PERT left to right direction ' Horizontal lines: -->, <--, <--> ' Vertical lines: ->, <-, <-> title PERT: Project Name map Kick.Off { } map task.1 { Start => End } map task.2 { Start => End } map task.3 { Start => End } map task.4 { Start => End } map task.5 { Start => End } Kick.Off --> task.1 : Label 1 Kick.Off --> task.2 : Label 2 Kick.Off --> task.3 : Label 3 task.1 --> task.4 task.2 --> task.4 task.3 --> task.4 task.4 --> task.5 : Label 4 @enduml

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Display JSON Data on Class or Object diagram

Simple example

@startuml class Class object Object json JSON { "fruit":"Apple", "size":"Large", "color": ["Red", "Green"] } @enduml