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Factory Design Pattern in Java with Example Java Guides
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=zgf8QD7n5qI
In this video tutorial, we will look into how to implement a Factory design pattern in Java with an example. • Get the source code of this tutorial from my blog post at https://www.javaguides.net/2020/03/fa.... • The factory design pattern overview: • 1. Factory Pattern is one of the Creational Design Pattern. • 2. The Factory Design Pattern or Factory Method Pattern is one of the most used design patterns in Java. • 3. In the Factory pattern, we create an object without exposing the creation logic to the client and refer to newly created objects using a common interface. • 4. The factory design pattern is used when we have a superclass with multiple sub-classes and based on input, we need to return one of the sub-class. This pattern takes out the responsibility of the instantiation of a class from the client program to the factory class. • When to Use Factory Method Design Pattern: • 1. When the implementation of an interface or an abstract class is expected to change frequently. • 2. The factory design pattern is used when we have a superclass with multiple sub-classes and based on input, we need to return one of the sub-class. This pattern takes out the responsibility of the instantiation of a class from the client program to the factory class. • 3. The lifetime management of the generated objects must be centralized to ensure consistent behavior within the application. • #designpatterns #java #javaguides
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