What New in C#7, C#8, C#9 and C#10
- Development
- Apr 27, 2025

Whats New in C#7, C#8, C#9 and C#10, available at $69.99, has an average rating of 4.39, with 41 lectures, based on 1935 reviews, and has 12367 subscribers.
You will learn about Understand and appreciate C#7, C#8 and C#9 language features Learn how to use new language features in practice This course is ideal for individuals who are Beginner and experienced .NET/C# developers It is particularly useful for Beginner and experienced .NET/C# developers.
Enroll now: Whats New in C#7, C#8, C#9 and C#10
Summary
Title: Whats New in C#7, C#8, C#9 and C#10
Price: $69.99
Average Rating: 4.39
Number of Lectures: 41
Number of Published Lectures: 41
Number of Curriculum Items: 41
Number of Published Curriculum Objects: 41
Original Price: $39.99
Quality Status: approved
Status: Live
What You Will Learn
Who Should Attend
Target Audiences
This short course covers the latest and greatest features of C#, covering versions 7, 7.1, 7.2, 7.3, 8.0, 9.0 and 10.0 of the language that are being sim-shipped with corresponding Visual Studio updates.
Course Topics
Here’s every language feature presented in this course, grouped by the version of the C# language.
C# 7:
Out Variables
Pattern Matching (is and switch expressions)
Tuples and Tuple Deconstruction
Local Functions
Ref Returns and Locals
Expression Bodied Members
Throw Expressions
Generalized Async Return Types
Literal Improvements
C# 7.1:
How to turn on C# 7.1 support
Async Main
Default Expressions
Ref Assemblies
Infer Tuple Names
Pattern-Matching with Generics
C# 7.2:
Leading Digit Separators
‘Private Protected’ Access Modifier
Non-Trailing Named Arguments
Reference Semantics on Value Types:
‘In’ Parameters
‘Ref Readonly’ Variables
‘Ref Struct’ and Span<T>
C# 7.3:
Performance improvements
Access fixed fields without pinning
Reassign ref local variables
Use initializers on stackalloc arrays
Use fixed statements on any type that supports a pattern
Enhancements to existing features
Tuple == and != support
Use expression variables in more locations
Attach attributes to backing field of auto-properties
Improved method resolution when arguments differ by ‘in’
Improved overload resolution
New compiler options:
deterministic
publicsign
pathmap
C# 8:
Nullable Reference Types
Indices and Ranges
Default Interface Members
Pattern Matching
C# 9:
Record Types
Top-Level Calls
Initial Setters
Pattern Matching Improvements (type patterns, parenthesized patterns, conjunctive and, disjunctive or, negated not, relational patterns)
Performance and Interop (Native sized integers (nint/nuint), function pointers, SkipLocalsInit)
Fit and Finish (target-typed new, target type resolution of conditional expressions, static modifier for lambda expressions and anonymous methods, covariant return types, foreach GetEnumerator() use, discards as parameters to lambdas, attributes on local functions)
C# Code Generators (partial method syntax, module initializers)
C# 10:
Record Structs
Global Using Directives
File-Scoped Namespace Declarations
Extended Property Patterns
Generic Attributes
Lambda Improvements (attributes, explicit return types, natural type inference)
Enhanced #line directives
Prerequisites
Knowledge and understanding of C# 6 and earlier
General experience in .NET/C# application development
Learning Outcomes
An understanding and appreciation of latest C# 7/7.1/7.2/7.3/8/9 language features
Understanding of how to convert existing C# code to C# 7/7.1/7.2/7.3/8/9
Course Curriculum
Lecture 1: Introduction
Chapter 1: Whats New in C# 7
Lecture 1: Out Variables
Lecture 2: Pattern Matching
Lecture 3: Tuples
Lecture 4: Deconstruction
Lecture 5: Local Functions
Lecture 6: Ref Returns and Locals
Lecture 7: Expression Bodied Members
Lecture 8: Throw Expessions
Lecture 9: Generalized Async Return Types
Lecture 10: Literal Improvements
Chapter 2: Whats New in C# 7.1
Lecture 1: Why Is My C#7.1 Program Not Compiling?!?
Lecture 2: Async Main
Lecture 3: Default Expessions
Lecture 4: Ref Assemblies
Lecture 5: Infer Tuple Names
Lecture 6: Pattern-Matching with Generics
Chapter 3: Whats New in C# 7.2
Lecture 1: Leading Digit Separators
Lecture 2: private protected Access Modifier
Lecture 3: Non-trailing named arguments
Lecture 4: in Parameters
Lecture 5: ref readonly Variables
Lecture 6: ref struct and Span<T>
Lecture 7: Span<T> Demo
Chapter 4: Whats New in C# 7.3
Lecture 1: Performance Improvements
Lecture 2: Feature Enhancements
Lecture 3: New Compiler Features
Lecture 4: Bonus Lecture: Other Courses at a Discount
Chapter 5: Whats New in C# 8
Lecture 1: Nullable Reference Types
Lecture 2: Indices and Ranges
Lecture 3: Default Interface Members
Lecture 4: Pattern Matching
Chapter 6: Whats New in C# 9
Lecture 1: Introduction
Lecture 2: Record Types
Lecture 3: Top-Level Calls
Lecture 4: Initial Setters
Lecture 5: Pattern Matching Improvements
Lecture 6: Target-Typed New
Lecture 7: Source Generators
Lecture 8: Partial Method Syntax and Module Initializers
Chapter 7: Whats New in C# 10
Lecture 1: Whats New in C# 10
Instructors

Dmitri Nesteruk
Software/Hardware Engineering ? Quant Finance ? Algotrading
Rating Distribution
Frequently Asked Questions
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You can view and review the lecture materials indefinitely, like an on-demand channel.
Can I take my courses with me wherever I go?
Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don’t have an internet connection, some instructors also let their students download course lectures. That’s up to the instructor though, so make sure you get on their good side!
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