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 ...

Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

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 ...

Let's say you've gone to the trouble of creating a CustomerRepository object with a static method called GetCustomerById. Something like this, in other words: public class CustomerRepository { public ...

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 ...