An introduction to OOP and the C++ object model
When writing a book about C++, you just have to talk about OOP because a) C++ is an object-oriented language, and b) OOP is at the heart of C++, which is also known by its original name – “C with classes.” OOP is one of the many paradigms that exist in the programming world. Its main purpose is to make the life of a programmer easier by allowing them to represent everything that exists in the real world with the help of objects.
Understanding objects
The majority of the time, we work with a set of data grouped together with a name, thus creating an abstraction. When viewed separately, variables such as is_military, speed, and seats don’t make much sense. We see the information stored in the variables differently when we group them together under the term spaceship. The multiple variables that are packed together are now referred to as one object. In order to accomplish this, we employ abstraction, which...