Single responsibility principle java code#

Single responsibility principle java code#

Code becomes easy to change, refactor, and extend.You could say it does adhere to the SRP because its responsibility is to manage the CRUD operations. Single Responsibility Principle can be considered as the most important design principle one needs to adhere to, as everything else flows from this, in one way or the other.īefore moving on, let’s try to understand what do we stand to benefit if we follow the Single Responsibility Principle. With a simple implementation and context, a single class will do. This is also related to the concepts of coupling and cohesion. Five agile principles that should guide you every time you write code. For example, consider an application that takes a collection of shapescircles, and squaresand calculates the sum of the area of all the shapes in the collection.

Single Responsibility (SRP), Open/Close, Liskovs Substitution, Interface Segregation, and Dependency Inversion. Single-responsibility Principle (SRP) states: A class should have one and only one reason to change, meaning that a class should have only one job. This post is part of a series called The SOLID Principles. The principle states that, if there are 2 reasons to change a class, the functionality should ideally be split into 2 separate classes. SOLID: Part 1 - The Single Responsibility Principle. Robert C Martin says “A class should have only one reason to change”. This post will talk about the first one: Single Responsibility Principle.Īs the name suggests, Single Responsibility Principle (SRP) states that:Įvery function, module or class should have responsibility over a single part of the functionality provided by the software. In the last post, we introduced the 5 important SOLID design principles that developers should be aware of.