Singleton pattern is used for logging, driver objects, caching and thread pool. Singleton design pattern is also used in other design patterns like Abstract Factory, Builder, Prototype, Facade etc.

Learn the differences between Factory and Abstract Factory design patterns in Java, and how to use them in your code. See examples of these patterns in the Java standard library.

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 ...

OOP Patterns in Java This repository is a comprehensive guide to understanding and implementing Object-Oriented Programming (OOP) design patterns in Java. It covers examples and explanations of the ...

Understand the penalties caused by anti-patterns in software design; Who this book is for. If you are an intermediate-level Java developer or software architect looking to learn the practical ...