point.comJava OOPs
Java is object-oriented programming language. It is a pattern and provides many concepts such as data binding, inheritance, polymorphism, encapsulation, and etc.
In this everything is represented as an object is known as an object-oriented programming language.
The object in Java language matches a real-world entity such as a dog, chair, table etc. It is a methodology to design a program using the objects and the classes.
In OOPs, we mainly concentrate on the classes and objects.
There are 6 major concept in OOPs:-
- Object
- Class
- Polymorphism
- Inheritance
- Abstraction
- Encapsulation
Object
The object in Java language matches a real-world entity. Objects having state and behavior.
Example: Dog having eyes and 4 legs but the behavior is barking.
Class
The class is a blueprint of an object. Collection of objects is known as class. It is a logical entity.
Inheritance
Acquire the properties and behavior of parent class to subclass is known as the Inheritance. It provides reusability of code and used to achieve runtime polymorphism.
Example: Teacher is a parent class and students acquires all the properties of the teachers.
Polymorphism
Single action is performed by different ways i.e., known as the polymorphism.
Polymorphism means having many forms.
Example: Ben ten can transform into different ways such as aliens.
Abstraction
Hiding the details of the object and showing the functionality is called as an abstraction.
Example: Phone call, we do not know the internal processing.
Encapsulation
Wrapping up of data and code together into a single unit is called encapsulation.
Example: Capsule, it is wrapped with different medicines.
Advantages of OOPs:
- It is easily adapted and modified by the programmer.
- Object-oriented programming languages contain rich libraries of objects. It enables faster development.
- Objects can also be reused within across applications.
- It is a clear modular structure for programs.
- It makes software easier to maintain.
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