> 100 C# Concepts in 100 Minutes

Master 100 essential C# concepts in 100 minutes. Bite-sized videos covering everything from variables to records, pattern matching, and unit testing.

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> 100 C# Concepts in 100 Minutes

> Videos

01. What is C# Programming Language? (60 Seconds Tutorial)

02. Setup C# in VS Code: The Environment

03. C# Hello World: Your First Program

04. C# Variables: How Programs Remember Data

05. C# Data Types Explained in 60 Seconds

06. Getting User Input in C#

07. Working with Strings in C#

08. C# Math Operations: The Arithmetic Operators You MUST Know

09. C# Boolean Logic and Comparisons: Making Decisions with True/False

10. C# If Statements: Making Decisions in Code

11. Switch Statements: Cleaner Code Logic

12. For Loops in C#: Repeat Code Efficiently

13. C# While vs Do-While Loops Explained

14. Arrays: Storing Multiple Values

15. Lists: Dynamic Collections in C#

16. Writing Your First Method in C#

17. How to Use Method Parameters in C# (Write Reusable Code)

18. Returning Values from C# Methods

19. Where Do Your Variables Live? (Understanding C# Scope)

20. How to Comment Your C# Code

21. How to Debug C# Code in Visual Studio Code

22. C# DateTime: How to Handle Dates, Times, and Duration

23. C# Naming Conventions: Write Clean & Professional Code

24. Understanding Null in C#

25. C# Type Conversion Explained: Casting, Parse, & Convert

26. What is Object-Oriented Programming (OOP)?

27. How to Create Your First C# Class?

28. Constructors in C# - Default, Parameterized, & Chaining

29. C# Properties vs Fields Explained (Getters & Setters)

30. C# Access Modifiers: Public, Private, & Protected

31. Static vs Instance Members in C# (Class vs Object)

32. C# Inheritance: Base & Derived Classes

33. Method Overriding in C#

34. Abstract Classes & Methods in C#

35. Interfaces in C# | Contracts & Multiple Inheritance

36. Polymorphism in C# | The "Many Forms" of Code

37. C# Encapsulation Benefits | Data Hiding and Protection

38. Composition vs Inheritance in C#

39. Method Overloading in C# (Same Name, Different Parameters)

40. C# Object Methods | ToString, Equals, & GetHashCode

41. C# List Deep Dive & Big O Notation Explained

42. C# Dictionaries | Fast Lookups & O(1) Performance

43. Arrays vs Lists in C# | Performance vs Flexibility

44. C# HashSet for Unique Items

45. Queue vs Stack in C# (FIFO vs LIFO)

46. Looping Through Collections in C#

47. C# Collection Initialization | Lists, Dictionaries, & Modern Syntax

48. ArrayList vs Generic Collections

49. Two-Dimensional Arrays in C# | Matrices and Jagged Arrays

50. Sorting Collections in C# | Sort and OrderBy

51. Searching in C# Collections

52. Big O Notation & Collection Performance Explained

53. C# Immutable Collections

54. Creating Custom C# Collections

55. Which C# Collection Should You Use?

56. Introduction to LINQ | Query vs Method Syntax

57. C# LINQ Basics | Where, Select, OrderBy & Lazy Execution

58. C# LINQ Method Syntax

59. C# Lambda Expressions & Closures

60. C# LINQ Where Method | Filtering Collections

61. C# LINQ Select | Transforming Data

62. C# LINQ GroupBy | Organize, Aggregate, & Analyze Data

63. C# LINQ Joins | Inner, Left and GroupJoin

64. C# LINQ Aggregates | Sum, Average, Max, Min and more...

65. C# LINQ Data Finding | First vs Single vs Default (Which Should You Use?)

66. C# LINQ Data Checking | Any vs All

67. C# LINQ Data Paging | Take and Skip

68. C# LINQ Data Cleaning | Distinct and Union

69. C# LINQ Performance | Optimization Tips

70. C# Advanced LINQ | Chaining & SelectMany

71. C# File I/O | Reading Text Files & StreamReader

72. C# File I/O | Writing & Appending Text Files

73. C# File I/O | Working with File Paths and The Path Class

74. C# File I/O | Directory Operations & Folder Management

75. C# File I/O | File Streams for Large Files

76. C# File I/O | Parsing CSV Files & CsvHelper

77. C# File I/O | JSON Serialization & Deserialization

78. C# File I/O | XML Processing & XDocument