The static keyword in the C# programming language allows you to define static classes and static members. A static class is similar to a class that is both abstract and sealed. The difference between ...

Starting with JDK 1.1, Java provided the ability to create nested classes. A nested class is defined inside another class. There are two types of nested classes: static nested classes and inner ...

When developing applications in .NET Core, you might often need a single, shared instance of a class. Typical use cases would be an instance of LogManager, StateManager, etc. You can either use a ...

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 ...