Summary: Factory Method Pattern of Design Patterns

Factory Method pattern diagram

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Participating roles:

------Product (product): Define the interface held by the product instance generated in the schema.

------Creator: The abstract class responsible for generating the Product role.

------ConcreteProduct (specific product): determine the specific product.

------ConcreteCreator (specific creator): responsible for generating specific products.

------Test (test class)

Specific case:

---Product：

---Creator：

---ConcreteProduct：

---ConcreteCreator：

---Test：

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