C#

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Last Update	09/14/2026
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Section 1: Getting Started

6Lessons ·
- 4: Compiling and Running C# Applications
  
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Section 6: Delegates and Events

6Lessons ·
- 48: Lambda Expressions in C#
  
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- 49: Func, Action, and Predicate Delegates
  
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Section 7: Async Programming

7Lessons ·
- 53: Handling Multiple Async Operations with Task.WhenAll
  
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- 55: IAsyncEnumerable and Async Streams
  
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Section 8: More Language Features

8Lessons ·
- 63: Operator Overloading in C#
  
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Section 9: File I/O and Serialization

5Lessons ·
- 66: Reading and Writing Files with System.IO
  
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- 70: Working with CSV Data in C#
  
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Section 12: Memory and Performance

6Lessons ·
- 83: Value Types, Boxing, and Unboxing
  
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- 85: IDisposable and the using Statement
  
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Section 13: Concurrency Beyond Async

5Lessons ·
- 89: Parallel.For and Parallel.ForEach
  
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Section 15: Testing and Best Practices

6Lessons ·
- 100: Writing Idiomatic C#
  
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- 102: Test-Driven Development in C#
  
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Section 18: Data Structures and Algorithms in C#

6Lessons ·
- 119: Implementing a Linked List in C#
  
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- 121: Implementing a Hash Table in C#
  
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- 122: Implementing a Graph and BFS/DFS in C#
  
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Section 25: Interview Practice

6Lessons ·
- 156: Implementing Sorting and Searching Algorithms in C#
  
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- 157: Common C# Interview Questions on Value/Reference Semantics
  
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- 161: Mock Coding Interview Walkthrough in C#
  
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Section 27: C# Keywords Reference (Statements)

6Lessons ·
- 170: The lock Statement for Thread Safety
  
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- 171: The using Statement and using Declarations
  
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- 174: The stackalloc Keyword
  
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Section 28: C# Keywords Reference (Operators)

5Lessons ·
- 177: The nameof Operator
  
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Section 29: BCL: System.Collections.Generic

6Lessons ·
- 180: List<T> Members In Depth
  
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- 181: Dictionary<TKey,TValue> Members In Depth
  
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- 184: SortedList and SortedDictionary
  
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Section 30: BCL: System.Linq

8Lessons ·
- 193: ToList, ToArray, ToDictionary
  
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Section 31: BCL: System.Threading

5Lessons ·
- 197: ManualResetEvent and AutoResetEvent
  
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Section 35: C# Language Specification Topics

5Lessons ·
- 211: Nullable Value Types (Nullable<T>) In Depth
  
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