OWLY OOP HOURS CODE
This improves code reusability and aids in class hierarchy formation based on class connections.Įncapsulation: Encapsulation is the practice of binding related data and the methods that manipulate it within a class. The subclass/child class can then add its own properties and methods, or override the ones inherited from the superclass. Inheritance is a mechanism that allows a child class to inherit properties and methods from another class, also known as a superclass or parent class. Classes are by default static entities, while objects are more fluid and dynamic. An object is a specific representation of a class, containing all the properties and methods outlined within. It includes all the objects’ properties and behaviors.
We discuss more in detail below.Īs previously highlighted, a class provides a template for object construction in Java. As noted earlier, the OOP programming paradigm emphasizes using objects to represent real-world concepts, with OOP meaning the use of classes and objects, inheritance, encapsulation, abstraction, and polymorphism to achieve this goal. The major advantage of the OOP framework in Java is that it lays the foundation for building modular, scalable, and efficient software. Even a basic program in Java is using classes, so Java is an OOP language. Generally speaking, this class is referred to as the Main class. If you are familiar with Java programming, you must have noticed that whenever a program is written it is written inside a class, like the public class. We’ll explore these more later using Java.Ĭheck out our article What is Object Oriented Programming? for a refresher on these four principles before continuing here. The four main principles of OOP are inheritance, encapsulation, abstraction, and polymorphism. OOP also helps to solve the problem of complexity by dividing the program into different objects. Many beginners prefer to use OOP languages because they are more intuitive. In fact, objects in a program frequently represent real-world objects. OOP makes it easy to model real-world things and the relationships between them. These properties could be their name, age, and role. For example, say our object is an Employee. In OOP, an object is defined with its own properties. A class is like a blueprint for creating objects. Objects have their own properties and behavior. Object-oriented programming, also referred to as OOP, is a programming paradigm based on the concept of classes and objects.
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