Published: 01 Apr 2018 › Updated: 01 Apr 2018
Factory Design Pattern
Factory Design Pattern:
- It falls under Creational Design Pattern.
- Factory pattern says that object creation will be handled by another class using the input type.
Advantages:
- It allows loose-coupling.
When to use Factory Design Pattern?
- Factory design pattern is used when we have a superclass with multiple sub-classes and based on the input, we need to return one of the sub-class.
- Example: If a Restaurant serves Veg food, Non-Veg food, and Italian food.
- Treat VegFood, NonVegFood, and ItalianFood as three classes whose superclass is Food.
- If a customer asks "Veg" then Factory method would return the "VegFood" class.
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