Classes, structs, and records are fundamental concepts in C# programming. Each is a different kind of type, with different features, capabilities, and limitations. To make matters more confusing, they ...

Interfaces help define a contract, or agreement, between your application and other objects. This agreement indicates what sort of methods, properties and events are exposed by an object. But ...

Though type is an extremely important object-oriented concept, it is often overlooked in favor of implementation-centric concerns. Java program development is as much about design as about ...

Extension methods provide a great way for extending a class functionality -- but it's interfaces that let you use those methods anywhere you want. Extension methods let you add functionality to an ...