OOP in C# language Tutorial for Beginners in PDF

Contents

• From structured programming to object-oriented programming
• Towards Object-oriented Programming
• Phenomena and Concepts
• Towards Object-oriented Programs 
• The C# Language and System
• C# in relation to C, Java, Visual Basic
• Classes: An Initial Example
• Creating and Deleting Objects 
• Reference Types
• Organization of C# Programs
• Patterns and Techniques
• Accessing Data in Objects
• Overloaded Operators
• Specialization of Classes 

Learning the OOP in C# language

Object-Oriented Programming (OOP) is a programming method that uses objects to model real-world problems. Here is an overview of OOP in the C# language:

• Classes: A class is a blueprint for creating objects. It describes the properties, fields, and methods that tell the object.
• Objects: An object is an instance of a class. Objects have properties, fields, and methods that can be used to manipulate the object's state.
• Inheritance: Inheritance allows you to create a new class that is derived from an existing class. The derived class inherits the properties and methods of the base class.
• Polymorphism: Polymorphism allows you to write code that can generically handle objects of different types. This makes your code more flexible and easier to maintain.
• Abstraction: Abstraction allows you to define a class that provides a familiar interface for its subclasses. This makes it easier to work with objects of different types, as they all share a common set of methods.
• Encapsulation: Encapsulation hides an object's implementation details and exposes only the methods necessary to interact with the object. This helps to maintain the integrity of the object's state and makes the code easier to maintain.
• Interfaces: An interface is a contract that defines a set of methods that a class must implement. This allows you to create objects that share a standard set of methods but may have different implementations.

C# is a fully object-oriented programming language that supports these OOP concepts. By using OOP principles in C#, you can write more organized, maintainable, and reusable code.