Object-Oriented Programming with C# Roadmap

Stage	Main Topic	Content & Learning Activities	Objectives & Deliverables
1	C# Fundamentals	Syntax, Variables, Data Types Operators Control Flow Methods Arrays	Build a solid C# foundation.
2	Introduction to OOP	What is an Object? What is a Class? The Four Pillars of OOP	Understand the core concepts and benefits of OOP.
3	Classes and Objects	Defining a Class Creating Objects Properties Access Modifiers Static Members	Learn to create and use classes and objects.
4	Encapsulation	Data Hiding Using Properties Benefits of Encapsulation	Protect and manage access to object data.
5	Inheritance	The ':' Symbol The 'base' Keyword Virtual and Override The System.Object Class	Reuse and extend code through inheritance.
6	Polymorphism	Method Overloading Method Overriding Upcasting and Downcasting	Write flexible and adaptable code.
7	Abstraction	Abstract Class Interface Difference	Hide complexity and define contracts.
8	Advanced OOP Concepts	Structs vs. Classes Partial Classes Extension Methods Exception Handling	Explore advanced OOP features in C#.
9	Collections & LINQ	Understanding the Hierarchy Generics LINQ	Work effectively with collections of data.
10	SOLID Principles	SRP, OCP, LSP, ISP, DIP	Learn the principles of good object-oriented design.
11	Design Patterns	Introduction Creational, Structural, Behavioral Patterns	Apply proven solutions to common design problems.