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Uploaded byMadhavan Malolan
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Object Oriented Programming : Part 2

This document discusses object-oriented programming concepts including: - OOP revolves around objects and classes, with classes functioning as structures and functions to define objects as instances. - The four main OOP concepts are data abstraction, encapsulation, inheritance, and polymorphism. Data abstraction treats the class as a black box, encapsulation combines related attributes and methods together in a class, inheritance allows more generalized classes to be created from the intersection of other classes' functionality, and polymorphism allows the same name to have different functionality depending on context. - Examples are provided of each concept to illustrate how they work in OOP.

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Object-Oriented Programming•
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    Object Oriented Programming Part 2
    OOPs ● Object Oriented Paradigm ● Other Paradigms : ● Procedural : ANSI C ● Functional :  Lisp , Python Lambda/Map ● OO : Java, Small talk, C++(Not pure)Which of the following are Pure object oriented programming languages? a. Java b. C++ c. Small Talk d. C
    OOPs ● Object Oriented Paradigm ● Other Paradigms : ● Procedural : ANSI C ● Functional :  Lisp , Python Lambda/Map ● OO : Java, Small talk, C++(Not pure)
    OOPs ● OOPs revolves around Objects and Classes ● Class may be seen as Structures+Functions ● But it is much much more
    OOPs ● OOPs revolves around Objects and Classes ● Class may be seen as Structures+Functions ● But it is much much more ● Objects are INSTANCES of CLASSES
    Classes and Objects Private, can be accessed only by  class functions.  Public, can be accessed thru objects Object!  Accessing Object members
    OOPs ● The 4 OOPs terms ● Data Abstraction ● Encapsulation ● Inheritance ● Polymorphism
    OOPs – Data Abstraction ● Treat the class as a black box ● Dont care what algorithm is used ● Expose usable members as interfaces.
    OOPs – Data Abstraction
    OOPs – Encapsulation ● All the attributes associated with a certain  object are “Encapsulated” in a Class. ● Everything related to 1 kind of thing, in one  place. ● Also used for Information Hiding
    OOPs – Encapsulation
    OOPs – Inheritance ● More Generalization! ● If there are 2 classes, create a new class  that has the INTERSECTION of the 2  classes' functionality.
    OOPs – Inheritance
    OOPs – Inheritance (Q)
    OOPs – Polymorphism ● Same name – different functionality ● Function Overloading is a TYPE of  polymorphism ● Adhoc polymorphism is another (Operator  overload)
    OOPs – Polymorphism Output?
    OOPs – Polymorphism
    OOPs – Polymorphism
    OOPs – Advanced