Understanding the differences between an abstract class and interface is key to designing loosely coupled and extensible applications.

The derived class, known as the subclass or child class, inherits all the properties, methods, and fields of the base class and can also add new properties, methods, and fields of its own. To create a ...

Primary constructors were introduced for records in C# 9 as part of the positional syntax for records. C# 12 extends these to all structs and classes. C# 12 also extends alias support to any type.