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Composition is a design principle that favors “has-a” relationships over “is-a” relationships (inheritance). Instead of extending functionality through subclassing, composition achieves it by containing instances of other classes that implement the desired functionality.
Learn how to implement the Proxy Design Pattern in Java with practical real-world examples and code samples
Chain of Responsibility Design Pattern in Java is one of the articles among the collection of articles dedicated to explaining OOP Design Patterns in Java. In 1994, four authors, Addison-Wesley, by Erich Gamma, Richard Helm, Ralph Johnson, John Vissides wrote a book: Design Read more
The builder design pattern in Java is one of the articles among the collection of articles dedicated to explaining OOP Design Patterns in Java. In 1994, four authors, Addison-Wesley, by Erich Gamma, Richard Helm, Ralph Johnson, John Vissides wrote a Read more
SOLID Software Design Principles helps to develop understandable, maintainable, and scalable software systems. Each letter of SOLID stands for one principle. The principles are a subset of many principles promoted by American software engineer and instructor Robert C. Martin Design Read more
Here you will understand what Factory Method pattern is and you will see how this design pattern helps to solve a real-world problem. I thought describing it with solving a real-world problem will help you to understand it rather than Read more
Designing software with reusable object-oriented components is a difficult task. As a designer coming up with a design from scratch for each and every problem you face is a nightmare. When designing a solution, first you need to solve the Read more