This repository showcases Java implementations of the Factory, Strategy and Singleton Design Patterns, inspired by "Head First Design Patterns." Examples include various pizza types (New York and ...

David Geary’s series is a masterful introduction to many of the Gang of Four patterns in Java code. Design Patterns is canonical reading for software developers, but many new programmers are ...

Get an overview of design patterns, then use what you've learned to evaluate whether the Composite pattern is a good choice for a particular Java use case Numerous strategies have been devised to ...

This is a Java-based console application that simulates an online food ordering system. It uses multiple object-oriented design patterns (Strategy, Decorator, Template Method, and optionally Factory) ...

In this paper, we propose an automated approach to refactoring based on design patterns in Java programs. In our approach, for a particular design pattern, we define an inference rule to automatically ...