Object Oriented Programming

Context

Programming paradigm

Historically:

• imperative -> object oriented
• declarative -> functional

Notions

• Class
• Instance
• Instance and class variables - state
• Methods - behavior
• Inheritance

Moreover:

• Abstract class
• Virtual method
• pure virtual method

In a nutshell, object-oriented programming is noting but a giant side-effect. Albeit, the one which is easy to understand. Or so you think.