Example: 計算機
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| @startuml Example-Calculator-Simple-Factory-Pattern
class Program
{
+ run()
}
class SimpleOperationFactory
{
+ create() : Operable
}
interface Operable
{
+ execute()
}
class AddOperation
{
+ execute()
}
class MinusOperation
{
+ execute()
}
class DivideOperation
{
+ execute()
}
class MultiplyOperation
{
+ execute()
}
Operable <|.. AddOperation
Operable <|.. MinusOperation
Operable <|.. DivideOperation
Operable <|.. MultiplyOperation
Program -> SimpleOperationFactory
SimpleOperationFactory -> Operable
@enduml
|
ʕ •ᴥ•ʔ：若不熟悉 UML 類別圖，可參考UML類別圖說明。