**[7. C++ Object Oriented Programming II](https://github.com/federico-busato/Modern-CPP-Programming/blob/master/07.Object_Oriented_II.pdf)**

* **Polymorphism**: `virtual` Methods, Virtual Table, `override` Keyword, `final` Keyword, Common Errors, Pure Virtual Method, Abstract Class and Interface

* **Operator Overloading**: Overview, Subscript Operator, Comparison Operator, Function Call Operator, Conversion Operator, Increment and Decrement Operators, Assignment Operator, Stream Operator, Operator Notes

* **C++ Special Objects**: Aggregate, Trivial Class, Standard-Layout Class, Plain Old Data (POD), Hierarchy

* **C++ Project Organization**: Project Directories, Project Files, `src/include` directories

* **Coding Styles and Conventions**

* **Macro and Preprocessing**

* **Namespace**

* **Variables**