assets/generics-inheritance.svg

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@startuml
interface List {
	
}

interface "List<Number>" extends List {
	
}

interface "List<Integer>" extends List {
	
}

class "ArrayList<Number>" {
	
}

class "ArrayList<Integer>" {
	
}

"List<Number>" <|- - "ArrayList<Number>"
"List<Integer>" <|- - "ArrayList<Integer>"
@enduml

PlantUML version 1.2017.16(Sun Sep 03 12:53:37 CEST 2017)
(GPL source distribution)
Java Runtime: Java(TM) SE Runtime Environment
JVM: Java HotSpot(TM) 64-Bit Server VM
Java Version: 1.8.0_144-b01
Operating System: Mac OS X
OS Version: 10.12.6
Default Encoding: UTF-8
Language: en
Country: US
--></g></svg>