An overview of Object Oriented Programming in C#.

An overview of Object Oriented Programming in C#.

• 1.
  Introduction to Object-Oriented Programmingin C#
• 2.
  What is Object-OrientedProgramming (OOP)? • OOP is a programming paradigm that organizes software design around "objects" rather than functions and logic. • An object is an instance of a class, which encapsulates data (attributes) and behavior (methods).
• 3.
  Why OOP? • Modularity:Code is organized into reusable components (classes and objects). • Abstraction: Simplifies complex systems by modeling real- world entities. • Encapsulation: Protects data by restricting access to it. • Inheritance: Promotes code reuse by allowing new classes to inherit properties and methods from existing ones. • Polymorphism: Enables objects to be treated as instances of their parent class, allowing for flexible and dynamic code.
• 4.
  OOP in C# •C# is a modern, object-oriented language developed by Microsoft. • It fully supports OOP principles, making it ideal for building scalable and maintainable applications. • C# is widely used in desktop, web, and mobile development, as well as in game development with Unity.
• 5.
  What You WillLearn • How to define classes and create objects in C#. • Implementing inheritance, polymorphism, encapsulation, and abstraction. • Best practices for designing object-oriented applications in C#.
• 6.
  Key Concepts inC# OOP • Classes and Objects: The building blocks of OOP in C#. • Inheritance: Creating new classes from existing ones. • Polymorphism: Using methods in different ways depending on the object type. • Encapsulation: Controlling access to data using access modifiers like public, private, and protected. • Abstraction: Hiding complex implementation details and exposing only necessary features.
• 7.
  1. Classes andObjects • Class: A blueprint or template for creating objects. It defines the properties (attributes) and behaviors (methods) that the objects created from the class will have. • Object: An instance of a class. It represents a real-world entity with its own state (data) and behavior (methods).
• 8.
  2. Encapsulation • Encapsulationis the concept of bundling data (attributes) and methods (functions) that operate on the data into a single unit (a class). • It also involves restricting direct access to some of an object's components, which is achieved using access modifiers like private, public, and protected.
• 9.
  3. Inheritance • Inheritanceallows a class (child/derived class) to inherit properties and methods from another class (parent/base class). • Promotes code reusability and establishes a relationship between classes.
• 10.
  4. Polymorphism • Polymorphismmeans "many forms." It allows objects of different classes to be treated as objects of a common base class. • Achieved through method overriding (runtime polymorphism) and method overloading (compile-time polymorphism).
• 11.
  5. Abstraction • Abstractionis the process of hiding complex implementation details and exposing only the necessary features of an object. • Achieved using abstract classes and interfaces.