The factory design pattern is a popular pattern that can be used to create objects. It is a creational pattern (GOF) and provides a standard and elegant way to create instances of classes.

The Factory design pattern is a simplified form of the Builder pattern. In essence, you would want to use the Builder design pattern when you need to create a complex object in a step by step manner.

The first design pattern I ever used was the Factory Method pattern. By adopting that pattern, I moved the code for creating my objects out of my constructors and into a separate method. That ...

In the Abstract Factory Pattern, however, the if-else block of the above example would be replaced by multiple factory classes (one for each subclass). An abstract factory class then returns the ...