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Object Oriented Programming(OOP) In Java

Object Oriented Programming (OOP) is an approach to standardize the programs by creating partitioned memory areas for both data and function. The developers have created this software to increase programmer productivity and overcome the traditional approach of programming.

Procedure Oriented Programming basically consists of writing a list of instructions for the computer to follow and organizing these instructions into groups, known as functions.

We normally use a flowchart to organize these actions and represent control flow from one activity to another. In Procedure Oriented Programming, most functions share global data, and data move more openly around the system from function to function.

What is Object Oriented Programming?

In contrast to these, OOP does not allow data to flow freely from function to function and procedure to procedure In this system, the complete problem is decomposed into a number of entities called objects. Those objects are created and maintained along with a set of related data. These data are so used and maintained that they cannot be changed or edited from other functions or objects. The data of an object can be accessed only by the functions associated with that object. However, the function of an object can access the function of the other object The different Object Oriented Programming languages are C++, Java, Small talk, and Simula 67. Eiffel etc. Thus.

An Object Oriented Programming (OOP) is a modular approach, which allows the data to be applied within the stipulated program areas. It also provides the reusability feature to develop productive logic, which means giving more emphasis on data.

What is OOP?

OOPs stands for “Object Oriented Programming“. It is a fundamental programming concept that developers use the concept of classes and objects to tie data and functions together.

Basically, OOPs use a different set of programming languages than the older procedural programming languages (C, Pascal, etc.). In OOP everything is grouped as self-consistent “objects”. Therefore, you achieve reusability through the four main object-oriented programming concepts.

Various OOPs concepts let us create working methods and variables, and all or some of them can be reused without compromising the security concerns of the application. Understanding OOPs concepts is key to understanding how any OOPs-based language works with real-time scenarios.

Object Oriented Programming(OOP) In Java
Object Oriented Programming(OOP) In Java

Features of Object Oriented Programming

  • It gives stress on the data items rather than functions
  • It simplifies the whole program/problem by dividing it into several objects.
  • The objects can be used as a bridge to have data flow from one function to another.
  • You can easily modify data and functions as per your requirement.

What are the Principles of OOPs?

It is also known as the Basic Elements of OOP. Different people interpret the concept of obtained programming differently Hence, it becomes necessary to understand some basic elements of OOP. They are as follows:

What are the Fundamental Pillars of OOPs?

The four basic concepts of object-oriented programming are inheritance, polymorphism, abstraction, and encapsulation. The following explanation of these four basic concepts can help you get a better insight into object-oriented programming (OOP):

Fundamental Pillars of OOPs

Data Abstraction Of OOP

Hiding internal details and showing functionality is known as abstraction. For example phone call, we don’t know the internal processing.
In Java, we use abstract classes and interfaces to achieve abstraction.

Encapsulation Of OOP

It is defined as the wrapping up of data under a single unit. It is the mechanism that binds together the code and the data it manipulates. Another way to think about encapsulation is that it is a protective shield that prevents the data from being accessed by the code outside this shield.

Inheritance Of OOP

Inheritance is an important pillar of OOP (Object Oriented Programming). It is the mechanism in Java by which one class is allowed to inherit the features (fields and methods) of another class.

Polymorphism Of OOP

It refers to the ability of object-oriented programming languages to differentiate between entities with the same name efficiently.Java does this with the help of the signature and declaration of these entities.

Advantages of OOPs

There are many benefits of OOP to programmers as well as users. Some benefits of OOP are as listed below:

  • You can extend the use of existing classes through inheritance.
  • Using the concept of data hiding can generate a secured program.
  • Multiple instances of an object can be generated to co-exist without any interference.
  • You can create different modules in your project through objects.
  • It is highly beneficial to solve complex problems.
  • It is easy to modify and maintain software complexity.

Top 5 Best OOP Languages

Object Oriented programming languages provide syntax and back-end solutions for developers to use OOP as they wish. Here are the most popular and high performing object Oriented programming languages:

  • Python
  • Java
  • C++
  • Go
  • Ruby

Conclusion

Object Oriented Programming requires thinking about the structure and planning of the program at the beginning of coding. Overall, implementing OOP allows for better data structures and reusability, which saves time in the long run.

Now Java, C, and C# are among the most popular object Oriented languages of modern times. And object-oriented programming is the most popular programming paradigm.

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