In the example given below taken from a different C# interfaces thread on stack overflow, I would just create a base class called Pizza instead of an interface.

Oct 2, 2019 · What is the difference between an interface and a class, and why I should use an interface when I can implement the methods directly in the class?

2 What ? Interfaces are basically a contract that all the classes implementing the Interface should follow. They looks like a class but has no implementation. In C# Interface names by …

Jul 8, 2009 · Is there a way to get the following function declaration? public bool Foo<T>() where T : interface; ie. where T is an interface type (similar to where T : class, and struct). …

In the interface, there is no code. You just specify that there is a property with a getter and a setter, whatever they will do. In the class, you actually implement them. The shortest way to do …

Apr 15, 2022 · An SDK can use default interface implementations to allow adding new interfaces and members without breaking existing code. That's used in Android, where many SDK …

Oct 26, 2009 · Yeah, to be specific, you need: public interface IReadable <T> { T Read (string ID); } So there's only one actual generic parameter here, the T for the interface type definition.

Jan 4, 2009 · The goals were: If item is an interface, instantiate an object based on that interface with the interface being a parameter in the constructor call. If the item is an object, return a null …

Feb 23, 2012 · Interface methods are meant to be implemented as instance methods. If you want replicate the methods of an static api to an interface, you can create a class that implement …

The CLR doesn't support multiple implementation inheritance, only multiple interface inheritance (which is also supported in C#).