However, from C# 8.0 onward, an interface can contain default implementations for its members, i.e. methods and properties. No instantiation: You can use both abstract classes and interfaces to ...

Until C# 8.0, an interface in C# could not contain method definitions. You could only include method declarations in an interface, and the members of an interface were public and abstract by default.

Interface-Based Programming in C#. Interfaces can make your applications easier to test and maintain. By Patrick Steele; January 1, 2010; Interfaces help define a contract, or agreement, between your ...

As modern .NET applications grow increasingly reliant on concurrency to deliver responsive, scalable experiences, mastering asynchronous and parallel programming has become essential for every serious ...