In OOP, you derive objects from classes. In this section, we'll take a closer look at what a class actually is.
Classes are one of the most important concepts in OOP. You can say they are the building blocks of OOP. A class can be described as the blueprint of an object.
A class is like a template or blueprint that tells us what properties and behaviors an instance of this class will have. In most circumstances, a class itself can't actually do anything—it is just used to create objects. Let's look at an example to demonstrate what I am saying. Let's say we have a Human class. Here, when we say Human, we don't mean any particular person, but we are referring to a human being in general. A human that has two hands, two legs, and a mouth, and which can also walk, talk, eat, and think. These properties and their behaviors are applicable...