Philosophy of Object Oriented Programming (OOP); Advantages of OOP over structured programming; Encapsulation; Classes and objects; Access specifies; Static and non-static members; Constructors, destructors and copy constructors; Array of objects, object pointers, and object references; Inheritance: single and multiple inheritance; Polymorphism: overloading, abstract classes, virtual functions and overriding; Exceptions; Object Oriented I/O; Template functions and classes; Multi-threaded Programming. Memory models, the message based philosophy.