-
Static operation PizzaFactory::create_pizza( )
takes "pizza ID" strings,-
"Default"
-
"Ham and Mushroom"
-
"Hawaiian"
and creates a corresponding object.
-
| <<< Difference between Builder and Factory Pattern | Index | Prototype >>> |
Problem to solve: client wants to create objects without specifying subclass types.
Sample program FactoryMethod.cpp ( download ) illustrates the Factory Method design for instantiation of the family of derived objects:
|
|
|
| <<< Difference between Builder and Factory Pattern | Index | Prototype >>> |