In object oriented programming, a program is modeled as a collection of cooperating objects

  • program behavior is determined by group interactions
  • group interactions are determined by individuals

In OOP, objects are anthropomorphic

  • each is "smart" in its own way
  • i.e. bed can make itself, door can open itself, menu can let selections be picked
  • but, each must be told when to perform actions by another object
  • so objects must cooperate to accomplish task
what is all this jargon?

Each object represents an abstraction
  • hides details you do not care about
  • allows the programmer to control program's complexity--to only think about salient features

Write programs by modeling program as set of components
  • programmer determines what the building blocks are and then puts them together so they cooperate properly

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