If you've ever written any code, you're probably familiar with variables. These are the tiny bits of text that store data in your program. They can be relatively simple, such as a number, or much...

The internal access modifier implies that a member is accessible within its own assembly. In object-oriented programming, internal implements the encapsulation at the assembly level. You can use an...

A common question you may frequently ask yourself is: Should I return null or empty values from a method? Returning null is common programming practice used when a method doesn't have a specific...

Let's say you are a student at one of the prominent computer institutions where you intend to learn the C# programming language. Then one morning, the programming tutor threw a question to the whole...

Interfaces are one of the most lightweight components in Object Oriented Programming. Defining a new interface is quite a simple process without as many rules and restrictions as in the case of class...

What's the worst thing you've ever done in software development? I once created a class with many similar methods returning instances of different objects. It was a pretty bad decision, and now...