Single responsibility principle srp. The object oriented design principles are used to achieve highly cohesive and loosely couple solution.
Dependency injection or inversion principle.
Object oriented design principles java. We have learned about class and objects. Now we will learn the object oriented principles of java in brief. Java is an object oriented language.
Open closed design principle. Object oriented design principles are core of oops programming but i have seen most of java programmer chasing design patterns like singleton pattern decorator pattern or observer pattern but not putting enough attention on object oriented analysis and design or following these design principles. Solid is an acronym for the first five object oriented design ood principles by robert c.
Favor composition over. Martin popularly known as uncle bob. First let us talk about encapsulation.
10 object oriented oop design principles java programmer should learn in 2019 1. Single responsibility principle srp every object in our web application should have a single responsibility and all objects services should be focused on carrying that single responsibilitysrp. The benefit of this object oriented design principle is in maintenance.
The main four principles of java are polymorphism inheritance encapsulation and abstraction. These principles when combined together make it easy for a programmer to develop software that are easy to maintain and extend. Dry dont repeat yourself.
Commonly used object oriented design principles in java. Design principles provides us a way to create the clean and modular design.