Object-Oriented Programming

The principles of Object-Oriented Programming form the foundational framework for numerous contemporary programming languages. At the heart of Object-Oriented Programming lies the fundamental concept of an Object. An Object represents a cohesive unit comprising both data and the corresponding methods (functions) that manipulate this data. The essence of an Object-Oriented Programming language revolves around the amalgamation of data and methods into a singular entity.

Encapsulating data

By encapsulating data and methods within an Object, the access to data is restricted solely through its associated methods, safeguarding its integrity from inadvertent modifications. This encapsulation process, which combines data and methods into a unified unit, is referred to as Data Encapsulation, and the practice of concealing data is known as Data Hiding. These concepts encapsulate the essence of an Object-Oriented Language, emphasizing the cohesive and secure handling of data through encapsulation and abstraction.

Object Oriented Programming - Interview Questions and Answers

An object serves as a representation of a real-world entity, embodying two fundamental aspects: state and behavior. Just like real-world objects, software objects possess state and behavior. State refers to the data associated with an object, which is stored in fields or variables. Behavior, on the other hand, encompasses the actions or operations that an object can perform, which are exposed through methods or functions. Methods operate on the internal state of an object and facilitate communication between objects. By encapsulating both state and behavior, objects provide a powerful mechanism for modeling and interacting with entities in software systems, mirroring the characteristics and functionality found in the physical world.

What is Object Oriented Programming C# VB.Net Asp.Net Interview Questions and answers

In the given example, we observe the association between a real-world entity (CAR) and Object-Oriented Programming. The CAR represents an object that encompasses various properties, such as Steering, Brakes, and Tires, along with corresponding functions or methods like forward() and backward(). This demonstrates the concept of encapsulating properties and functions within a single unit, enabling the functions to operate in conjunction with the properties.

.Net Interview Questions and Answers


It is important to note that the .NET Framework is built upon the fundamental principles of Object-Oriented Programming. It extensively supports all the essential features of an object-oriented programming language, including encapsulation, inheritance, and polymorphism. These features play a key role in structuring software systems within the .NET Framework, facilitating code organization, reusability, and modularity. By using these object-oriented concepts, developers can design robust and maintainable applications that adhere to industry best practices.