The factory pattern streamlines application issues, like when a developer must reply to users based upon the machine they are using. Learn how to use it with these examples.

Simple factory, factory method, and abstract factory design patterns A simple factory is one that returns an instance of many different classes. Note that these classes may have the same base ...

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 ...

Consider a simple example below: Basically ComponentA depends on ComponentB. To enable unit-testing class ComponentAImpl, the implementation of interface ComponentB must be injected into ...

Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...