Скачать или смотреть .NET Development - Class 2 | OOPs Concepts, Data Types & Variables in C#

📌 Topics Covered in This Session:

Introduction to OOPs in C# (.NET)
✅ What is OOP (Object-Oriented Programming)?
✅ Four Pillars of OOPs in C#:

Encapsulation – Wrapping data and methods inside a class
Abstraction – Hiding implementation details and showing only necessary information
Inheritance – Parent-child relationship between classes
Polymorphism – Method Overloading & Overriding
✅ Encapsulation in C#

Creating a Person class with properties: name, age, address
Defining getter & setter methods in C#
Understanding Data Transfer Objects (DTOs) in real-world applications
Example: User Login System – Encapsulating user data and validating login credentials
✅ Abstraction in C#

Using Abstract Classes to hide unnecessary implementation details
Example: Bank Account System – Abstract class with different interest calculations
Implementing abstract methods for specific account types (Saving & Current Account)
✅ Inheritance in C#

Understanding Parent-Child Relationship in C#
Reusability of Code using inheritance
Example: Extending the Bank Account Class for Saving and Current Accounts
✅ Polymorphism in C#

Understanding Compile-Time & Run-Time Polymorphism
Method Overloading – Defining multiple methods with the same name but different parameters
Method Overriding – Overriding parent class methods in child classes
Data Types & Variables in C#
✅ Types of Variables in C#:

Value Type Variables – Stored in stack memory
Reference Type Variables – Stored in heap memory
Dynamic Variables – Allow storing multiple data types
Implicit Variables (var keyword) – Type inferred at runtime
Nullable Variables (int? & string?) – Handling null values
✅ Constant & Read-Only Variables

Difference Between const and readonly in C#
Constants cannot be modified after declaration
Read-only variables can be assigned in the constructor but not changed later
✅ Static Variables & Memory Management

How static variables are stored in memory
Difference between static & instance variables
Static variables retain values across multiple instances
Memory Management in C#
✅ Heap vs Stack Memory Allocation
✅ Garbage Collection in .NET – Automatically freeing up unused memory
✅ Understanding how variables are stored in memory

Upcoming Topics:
🔹 C# Classes & Objects in Depth
🔹 Interfaces vs Abstract Classes in .NET
🔹 Working with Collections – Lists, Dictionaries, Queues & Stacks
🔹 SQL Server Integration with .NET

🚀 Stay Tuned for More Sessions on:
🔹 Full Stack Development with .NET
🔹 Web Application Development Using C#
🔹 API Development with ASP.NET Core

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