APIs are application programming interfaces. They are pieces of software that act as a bridge between one application and another application, piece of hardware or database of information, for example ...

When designing applications, it is important to know when to use an abstract class and when to use an interface. Although abstract classes and interfaces seem similar in some ways, there are key ...

When working in applications you might often find that the source code has become so complex that it is difficult to understand and maintain. Fluent interfaces and method chaining are two concepts ...