1/18/2024 0 Comments Dry kiss yagni![]() It also facilitates unit testing, as existing features are not altered when introducing new ones.įor example, in a payment processing application, we can have a generic abstract class for payment methods, such as “PaymentMethod.” Each specific payment method (e.g., credit card, PayPal) can then be implemented by extending this abstract class while retaining the basic functionalities common to all payment methods.īy following the OCP principle, the code remains stable and avoids regressions even when extended with new features. By using mechanisms such as inheritance, polymorphism, and inversion of control, we can add new features without impacting the existing code. The key advantage of applying OCP lies in its ability to make the code more flexible and extensible. In other words, when new features need to be added, it is better to extend the existing code rather than directly modifying it. The Open/Closed Principle (OCP) emphasizes designing code that is open for extension but closed for modification. Each class will have its own responsibility, making the code clearer and more maintainable. By applying SRP, we can have a separate class for book management, another for users, and another for transactions. Let’s take the example of a library management application. Finally, code reusability is promoted, as specialized classes can be used in different parts of the system. Additionally, troubleshooting and issue resolution are simplified as each class focuses on a single responsibility. First, it makes the code more modular, making it easier to make modifications and additions later on. The benefits of applying SRP are numerous. For example, instead of having a class that handles both user authentication and notification sending, it is better to separate these responsibilities into two distinct classes. This facilitates code understanding, maintenance, and reusability. In other words, a class should be responsible for only one task or one aspect of the system. The Single Responsibility Principle (SRP) states that a class should have only one well-defined responsibility. In this chapter, we will examine in detail the five SOLID principles and their respective advantages. They promote the design of robust and scalable code. The SOLID principles are key concepts in software development. Let’s discover how to apply them in our programming practices. We will examine how these principles can be applied in practice and the benefits they bring to development projects.īy exploring these fundamental principles along with other relevant principles such as YAGNI, Convention over Configuration, Composition over Inheritance, and Law of Demeter, we will be able to develop high-quality, easily maintainable, and scalable code. The purpose of this article is to delve into the details of the SOLID, DRY, and KISS principles, as well as other essential software development principles. Among these principles, SOLID, DRY, and KISS hold a prominent position, but there are also other equally relevant principles. These principles provide guidelines and best practices for designing and writing robust and efficient code. ) so that it can be called later.In the field of software development, applying solid principles plays a crucial role in ensuring the quality, maintainability, and longevity of projects. To approach this principle, whenever there is a piece of code that is used twice in different places, you should repackage that piece of code (create functions, create classes. ![]() This principle makes parts of the code less repetitive, making it easier and faster to change code segments. Principles were formulated by Andrew Hunt and David Thomas. In other words, don't assume and build the functionality of software before you need to use it.ĭRY is a familiar and core principle in the programming industry that emphasizes reusing code as much as possible. It focuses on not complicating a requirement with future assumptions. Divide big problems into smaller problems to handle.Do not abuse design patterns or libraries if not necessary.The simpler the code, the faster the ability to read and understand that code, the simpler it is, the easier it is to maintain and change in the future, this will help save a lot of time. ![]() This principle was given by Kelly Johnson with the meaning of emphasizing the importance of simplicity in coding. ![]() Enter fullscreen mode Exit fullscreen mode
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