Nov 7, 2025 · .NET provides a rich set of interfaces as well as abstract and concrete (non-abstract) classes. You can use the concrete classes as-is or, in many cases, derive your own …

Jun 28, 2025 · The Base Class Library (BCL) is a core set of pre-built classes and types provided by Microsoft in the .NET platform. These are the essential building blocks for almost every …

Jul 11, 2025 · The Framework Class Library or FCL provides the system functionality in the .NET Framework as it has various classes, data types, interfaces, etc. to perform multiple functions …

The Base Class Library (BCL) contains classes such as exception handling, strings, XML, I/O, networking, and collections. .NET Standard is a specification for implementing the BCL.

Nov 14, 2025 · Instead of copying and pasting that code everywhere, you can build it once in a class library and then just add a reference to it in each project that needs it. This is a game …

Oct 23, 2025 · In this tutorial, you create a simple class library that contains a single string-handling method. A class library defines types and methods that are called by an application.

Test The Example API (8:50) Heads-Up: Add a Class Library with .NET 8 & .NET 9 (0:42) Create another project (already?!) (6:35) Add your first model (4:59) Add your first controller (5:55) …

Nov 8, 2025 · Explore ASP.NET class libraries including data access, XML support, directory services, and CLR base classes. Learn about Collections, Threading, IO, Reflection, Security, …

In this blog, I'll take you through one of the most practical approaches in real-world software development: creating and referencing class libraries in ASP.NET Core.

This tutorial explains how to build a class library in .NET Core using C# and Visual Studio 2019.