What Is Object Oriented Programming Wikipedia?


Heather Bennett

Object Oriented Programming (OOP) is a programming paradigm that allows for the creation of objects, which are instances of classes. It provides a way to structure and organize code by encapsulating data and behavior into reusable modules. Wikipedia, the popular online encyclopedia, provides a comprehensive definition of Object Oriented Programming.

Definition of Object Oriented Programming on Wikipedia

According to Wikipedia, Object Oriented Programming (OOP) is a programming paradigm based on the concept of “objects”, which can contain data and code that manipulates that data. It is a way of organizing code into reusable pieces called classes, which are used to create objects.

Key Features of OOP:

  • Encapsulation: OOP allows for the bundling of data with the methods (functions) that operate on that data. This helps in achieving information hiding and protects the internal state of an object from being accessed directly.
  • Inheritance: Inheritance enables one class to inherit properties and methods from another class.

    It promotes code reusability and supports the concept of hierarchical relationships between classes.

  • Polymorphism: Polymorphism allows objects of different classes to be treated as objects of a common superclass. This provides flexibility by allowing different implementations for methods with the same name.
  • Abstraction: Abstraction focuses on defining interfaces and hiding implementation details. It allows programmers to work with high-level concepts without worrying about complex underlying code.

The Benefits of OOP

OOP offers several advantages over other programming paradigms:

1. Reusability

OOP promotes reusability of code through the use of classes and objects. Once a class is defined, it can be instantiated multiple times to create objects with similar properties and behaviors.

2. Modularity

By encapsulating data and behavior into classes, OOP allows for modular development. Each class can be developed and tested separately, making it easier to manage large codebases.

3. Maintainability

OOP makes code maintenance easier by providing a clear and organized structure. Changes or updates can be made to a specific class without affecting other parts of the program, as long as the interface remains unchanged.

4. Flexibility

OOP provides flexibility through features like inheritance and polymorphism. Inheritance allows for the creation of new classes based on existing ones, while polymorphism enables the use of different implementations for methods with the same name.


Object Oriented Programming is a powerful programming paradigm that offers numerous benefits in terms of code organization, reusability, and maintainability. Wikipedia provides a comprehensive definition of OOP along with detailed information about its key features and advantages.

By understanding the principles of OOP and practicing its concepts, developers can write cleaner, more modular code that is easier to maintain and extend.

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