- C# Introduction
- C# - The .Net Framework
- C# - Integrated Development Environment (IDE) for C#
- C# - .Net Core 8.0
- C# Comments
- C# - Variables
- C# - Identifiers in Details
- C# - Memory Allocation for Data Types
- C# - Datatypes
- C# Strings
- C# - String and String Bulder in C#
- C# - Common String Methods Part 1
- C# - Common String Methods - Part 2
- C# - Split Methods
- C# - String Interview Questions
- C# - Special Characters
- C# Type Casting
- C# - Type Casting in C#
- C# - Boxing /Unboxing and Is/AS Operator
- C# Type Conversion
- C# - Conversion Methods
- C# - Parsing Methods
- C# - Custom Conversion Methods
- C# Operators
- C# - What are the C# operators available?
- C# - Assignment Operators
- C# - Comparison Operators
- C# - Logical Operators
- C# - Arithmetic Operators
- C# Math
- C# - What is C# Math
- C# - Trigonometric Functions
- C# - Math.Round()
- C# Boolean Values
- C# - What is a Boolean Value
- C# - Boolean Expression
- C# Conditions and If Statements
- C# - The If Statement
- C# - Ternary Operator
- C# Switch Statements
- C# - What is Switch Statement
- C# - Switch Keyword in depth
- C# Loops
- C# - What are Loops
- C# - Loop Over Arrays
- C# - Performance comparison between different loops
- C# Break
- C# - What is Break
- C# - Continue
- C# Arrays
- C# - Create an Array
- C# - Array in Details
- C# - Array of Class object
- C# - CRUD Operations on Arrays
- C# - Memory allocation for arrays
- C# - Array Pools in C#
- C# - Sort Arrays
- C# - Array Programs and interview questions
- C# Methods
- C# - Create a Method
- C# - Call a Method
- C# Method Parameters
- C# - Parameters and Arguments
- C# - Default Parameter Value
- C# - Multiple Parameters
- C# - Named Arguments
- C# - Method Overloading
- C# OOPS
- C# - What is OOP and Classes?
- C# - Abstraction
- C# - Inheritance
- C# - Polymorphism
- C# - Virtual and Override Keyword
- C# - Memory Allocation for Classes
- C# - Multiple and Multilevel Inheritance
- C# - Protected Internal With Real Time Use case
- C# - Question and Answers in OOPS
- C# Constructors
- C# - What is a Constructor
- C# - Type of Constructor
- C# - Primary constructors
- C# - Constructor Q & A
- C# Properties
- C# - Properties
- C# - Read and Write only Properties
- C# - Automatic Properties (Short Hand)
- C# - Computed Properties
- C# - 12 Properties
- C# - The Sealed Keyword
- C# - Static Keyword
- C# - Static Class
- C# - Question on Static Classes
- C# - Interfaces
- C# - Enum
- C# Files
- C# - Working With Files
- C# - Write To a File and Read It
- C# Exceptions
- C# - Handling Exception
- C# - Try and Catch
- C# - Throw keyword
C# - .Net Core 8.0
.NET Core 8.0 in C#
Introduction to .NET Core 8.0
.NET Core 8.0, often simply referred to as .NET 8, is the latest Long-Term Support (LTS) release in the .NET platform by Microsoft. It represents the unification and evolution of the .NET ecosystem, supporting modern development for cloud, web, desktop, mobile, IoT, and AI applications. .NET 8 brings improvements in performance, native AOT compilation, cloud-native features, and a more streamlined development experience.
What's New in .NET Core 8.0
Performance Enhancements
Performance has always been a priority for the .NET team, and .NET 8 continues this trend with various improvements across the base class libraries, runtime, and the Just-In-Time (JIT) compiler. Faster JSON serialization, better memory usage, and new APIs for collections and spans are among the highlights.
Native AOT (Ahead-of-Time Compilation)
.NET 8 extends support for Native AOT, allowing developers to compile applications into native code ahead of time, rather than relying on Just-In-Time (JIT) compilation. This leads to faster startup times, lower memory usage, and greater deployment portability.
Cloud-Native Support
.NET 8 introduces features targeted at improving the developer experience when building cloud-native applications. This includes improved container support, minimal APIs, rate limiting middleware, OpenTelemetry integration, and built-in health checks.
Minimal APIs and Improvements
Minimal APIs were introduced in .NET 6 and have been enhanced further in .NET 8. They allow for building lightweight web APIs with minimal boilerplate code. In .NET 8, support for route grouping, filters, and better diagnostics has been added.
Getting Started with .NET Core 8.0
Installing .NET 8 SDK
To get started, download and install the .NET 8 SDK from the official .NET website. You can verify the installation using the following command:
dotnet --versionCreating a New Project
To create a new console application using .NET 8:
dotnet new console -n MyFirstAppNavigate into your project folder:
cd MyFirstAppRun the application:
dotnet runC# 12 Features in .NET 8
C# 12 is the default language version in .NET 8. Some notable new features include:
Primary Constructors in Classes
C# 12 allows primary constructors in non-record classes. This simplifies class definitions by allowing parameters to be declared directly in the class declaration.
public class Person(string name, int age)
{
public void Deconstruct(out string n, out int a) => (n, a) = (name, age);
}Collection Expressions
New collection expressions allow more expressive syntax when working with arrays, lists, and other collections.
int[] numbers = [1, 2, 3, 4];Inline Arrays
Introduced for performance-critical applications, inline arrays allow defining fixed-size arrays directly in structs.
Default Lambda Parameters
Lambdas can now include default parameters, improving code flexibility and readability.
Func<int, int, int> add = (a = 1, b = 2) => a + b;Building Web Applications with ASP.NET Core 8
Minimal APIs
Minimal APIs offer a streamlined way to build HTTP APIs with minimal setup. Here's an example of a simple API:
var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();
app.MapGet("/hello", () => "Hello World!");
app.Run();Middleware Enhancements
New middleware options include built-in rate limiting, authentication, authorization policies, and telemetry for observability.
Entity Framework Core 8 (EF Core 8)
Improved LINQ Translation
EF Core 8 includes improvements in LINQ translation, reducing the number of exceptions caused by unsupported queries.
Raw SQL Enhancements
Developers can now project directly into entity types or custom types with raw SQL queries more easily.
Testing and Diagnostics
Improved Logging
.NET 8 improves logging configuration and supports structured logging out of the box using Microsoft.Extensions.Logging.
OpenTelemetry Support
Built-in support for OpenTelemetry enables distributed tracing and better observability of cloud-native applications.
Security Enhancements
.NET 8 adds enhancements for secure development, including improved support for HTTPS, authentication, and data protection. Features like automatic HTTPS redirection, tighter policy enforcement, and improved JWT handling are key improvements.
Deployment Options
Containers
.NET 8 provides first-class support for containers, including optimized base images, support for rootless containers, and AOT builds for container deployment.
Cross-Platform Support
.NET 8 supports Windows, Linux, and macOS. Cross-platform development and deployment is seamless using Docker, Azure, or other CI/CD tools.
Tooling and IDE Support
Visual Studio 2022 and 2025
.NET 8 is fully supported in Visual Studio 2022 (v17.8+) and the upcoming Visual Studio 2025. Developers benefit from improved IntelliSense, debugging, code refactoring, and profiling tools.
Command-Line Interface (CLI)
The dotnet CLI has been improved with better error messages, command suggestions, and performance. Developers can scaffold, build, test, and publish applications directly from the terminal.
.NET Core 8.0 marks a significant milestone in the evolution of the .NET ecosystem. With its performance improvements, support for native AOT, cloud-native readiness, and modern language features via C# 12, it empowers developers to build fast, secure, and scalable applications across platforms. Its tight integration with containers, enhanced diagnostics, and tooling support make it a compelling choice for both greenfield and modernized legacy applications.
