Object-Oriented Programming Paradigm

  • The major motivating factor in the invention of object-oriented approch is to remove some of the flaws encountered in the procedural approch.
  • OOP treats data as a critical element in the program development and does not allow it to flow freely around the systems.
  • It ties data more closely to the functions that operate on it, and protects it from accidental modification from outside functions.
  • OOP allows decomposition of a problem into a number of entities called objects and then builds data and functions around these objects.
  • The data of an object can be accessed only by the function associated with that object.
  • However, functions of one object can access the the functions of other objects.

Some of the  striking features of object-oriented programming are

  • Emphasis is on data rather than procedure.
  • Programs are divided into what are known as objects.
  • Data structures are designed such that they characterize the objects.
  • Data is hidden and cannot be accessed by external functions.
  • Objects may communicate with each other through functions.
  • New data and functions can be easily added whenever necessary.
  • Follows bottom-up approch in program design.

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