Learn what object oriented design patterns are, why they are useful, and how to apply some of the most common ones in your projects to improve your code quality, readability, and maintainability.

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This repository provides a concise, learner-friendly collection of object-oriented design patterns. It includes clear explanations, UML diagrams, and code examples for each pattern to help you ...

Object-oriented programming has been around for a long time, if we restrict looking at languages that support it for about 50 years.

The rapid growth of object-oriented development over the past twenty years has given rise to many object-oriented systems that are large, complex and hard to maintain. These systems exhibit a range of ...

What is the null object pattern? The null object pattern is a behavioral software design pattern that is used to encapsulate the handling of null values in an object-oriented programming language.

The course introduces the object-oriented paradigm, and a high-level object-oriented programming language with associated platforms and integrated development environments (IDE), with emphasis on ...