.NET Development - Class 5 | Dictionary, HashSet, Stack & Queue in C#

📌 Topics Covered in This Session:

Dictionary in C#
✅ What is a Dictionary? – Key-Value Pair Collection in .NET
✅ Difference Between List & Dictionary – When to Use Each
✅ Declaring & Initializing a Dictionary
✅ Adding, Retrieving & Updating Values in a Dictionary
✅ Iterating Over a Dictionary Using Loops
✅ Checking if a Key Exists Using ContainsKey
✅ Removing Items from a Dictionary

HashSet in C#
✅ What is a HashSet? – Storing Unique Elements Only
✅ Key Features of HashSet – No Duplicates Allowed
✅ Difference Between List & HashSet
✅ Adding, Removing & Checking Elements in HashSet
✅ Using HashSet to Eliminate Duplicate Data
✅ Real-World Use Case of HashSet

Stack in C# (LIFO - Last In, First Out)
✅ What is a Stack? – Understanding Stack Operations
✅ Push & Pop Methods in Stack
✅ Using Peek() to Get the Top Element
✅ Example of Stack for Backtracking & Undo Feature

Queue in C# (FIFO - First In, First Out)
✅ What is a Queue? – Managing Data in Order
✅ Adding Elements Using Enqueue()
✅ Removing Elements Using Dequeue()
✅ Using Peek() to View the First Element
✅ Real-World Example: Ticket Processing System

Comparing Dictionary, HashSet, Stack & Queue
✅ When to Use Each Collection in .NET
✅ Performance Considerations for Large Data Sets
✅ Best Practices for Data Structure Selection

Upcoming Topics:
🔹 Abstract Classes & Interfaces in C#
🔹 Object-Oriented Programming (OOP) Concepts
🔹 Working with LINQ & SQL Server in .NET
🔹 API Development with ASP.NET Core

🚀 Stay Tuned for More Sessions on:
🔹 Full Stack Development with .NET
🔹 Web & API Development Using C#
🔹 SQL Database Integration in .NET

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