Understanding objects

As you learned in the previous section, OOP is centered around the concept of objects, which are abstract representations of things in the real world. Anything that can be considered a noun, such as patients, landmarks, or an address, can be represented as objects in code.

In the C# language and most OOP languages, the process of creating any object begins with a class, which is a code block containing values and methods that are used to describe what an object is and what it does. Consider the C# variable in the following example:

string animal = "Cat";

A cat is an animal, but it would be helpful to have more information about it. How old is it? Where’s its natural habitat? How can it be described? A variable in this state can’t really provide many details about it. What if we converted the variable into an array like in the following example?

string animal[] = {"Cat", "White", 2}; 

With an array like...