• OOP: Object Oriented Programming

  • programming that resembles real life

    • everything in life is an object
      • car, table, computer, fan
    • every object in real life has some
      • attribute or properties
      • behaviours or methods

tv as an object

  • attributes of a tv
    • model number
    • screen size
  • behaviour of a tv
    • on/off
    • brightness increase/reduce
    • contrast increase/reduce
    • volume increase/reduce
    • channel change

objects in programming

  • variables (data members) of an object:
    • attributes
  • functions (methods) of an object:
    • behavior
  • to define a blank class in python: 
    class TV:
pass

  • code management and reusability increases with OOP

  • to create an object from a class 
    t = TV()
print t

features of OOP

  • inheritance
  • encapsulation
  • polymorphism