What are the benefits of OOP in terms of code reuse?

OOP promotes code reuse through inheritance, encapsulation, and polymorphism, making software development more efficient and manageable.

Object-Oriented Programming (OOP) is a programming paradigm that uses 'objects' to design applications and software. These objects are instances of classes, which can be thought of as blueprints for creating objects with specific properties and behaviours. One of the main benefits of OOP is the ability to reuse code, which can significantly speed up the development process and reduce the chance of errors.

Inheritance is a key feature of OOP that promotes code reuse. It allows a new class to be created based on an existing class. The new class, known as the subclass, inherits all the properties and behaviours of the superclass, but can also add new ones or override the inherited ones. This means that common code can be written once in a superclass and then reused in any number of subclasses, reducing duplication and making the code easier to maintain.

Encapsulation is another OOP feature that aids in code reuse. It involves bundling related data and methods into a single unit, or object. This object can then be used as a building block in your program, and the same object can be reused in different parts of the program or in different programs altogether. Encapsulation also hides the object's internal state from the outside world, which helps to prevent accidental modification and makes the code more robust.

Polymorphism is a further OOP concept that facilitates code reuse. It allows objects of different classes to be treated as objects of a common superclass. This means that a single piece of code can work with objects of different classes, as long as they inherit from the same superclass. This makes the code more flexible and easier to extend, as new subclasses can be added without changing the existing code.

In summary, OOP provides several mechanisms for reusing code, which can make software development more efficient and manageable. By using inheritance, encapsulation, and polymorphism, you can write code once and use it in many different contexts, reducing duplication and making your code more robust and flexible.