Outline                Object-oriented Programming (OOP)                 Features of OOP
                                       Computing Laboratory
                            Object-oriented Programming with Python
                                             Malay Bhattacharyya
                                                  Assistant Professor
                                              Machine Intelligence Unit
                                        Indian Statistical Institute, Kolkata
                                                     January, 2021
                                       Malay Bhattacharyya      Computing Laboratory
   Outline                Object-oriented Programming (OOP)                 Features of OOP
          1 Object-oriented Programming (OOP)
          2 Features of OOP
                  Classes and Objects
                  Encapsulation
                  Constructor
                  Polymorphism
                  Inheritance
                  Special features
                                       Malay Bhattacharyya      Computing Laboratory
   Outline                Object-oriented Programming (OOP)                 Features of OOP
   Object-oriented Programming (OOP)
          Objects are the basic runtime entities in an object-oriented system.
          Objects encapsulate data and method.
                                       Malay Bhattacharyya      Computing Laboratory
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     Aclass contains:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Data members known as attributes of the class
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Member functions known as methods of the class
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           An object is an instance of a class
   Outline                Object-oriented Programming (OOP)                 Features of OOP
   Class and Object
                             Classes are the building blocks in OOP
          Aclass is like a template that describes the behaviors/states that
          objects of its type support. It can be considered as a user-defined
          entity that can combine data and functionality together.
                                       Malay Bhattacharyya      Computing Laboratory