Default interface methods are included in a new feature proposal for C# 8, which will allow developers to use the traits programming technique on the .NET platform.

Using interfaces when you aren’t going to have multiple implementations of it is an example of interface overuse. Creating an interface for a class that matches the public members of the class ...

Checking If You Can Use a Class in C# The is keyword lets you check if a variable is pointing to an object of a particular class (or a class that inherits from some class). For example, the code in ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.