The factory pattern can help solve your application issues. For example, developers often must reply to users based on each user’s machine, creating multiple hardware issues. The factory pattern ...

The factory method design pattern and the abstract factory design pattern are both creational patterns. Creational patterns are used to abstract object creation and hide the intricacies of how the ...

Move Beyond Factory Methods with the Builder Pattern in C#/Visual Basic When your objects get sufficiently complicated to create, it's time to simplify your life by moving to the Builder pattern. The ...

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 ...

Abstract Factory Design Pattern for Dependency Injection. The classical GoF Abstract Factory design pattern is modified inthe following two ways: A factory interface replaces the abstract factory ...

To illustrate the Observer Pattern concretely, I chose to create a Town Crier class that sends messages to any registered Town Resident class. To keep this example simple, I developed the same ...