Object-Oriented Programming: Themes and Variations

@article{Stefik1989ObjectOrientedPT,
  title={Object-Oriented Programming: Themes and Variations},
  author={Mark Stefik and Daniel G. Bobrow},
  journal={AI Mag.},
  year={1989},
  volume={6},
  pages={40-62}
}
Many of the ideas behind object-oriented programming have roots going back to SIMULA. The first substantial interactive, display-based implementation was the SMALLTALK language. The object-oriented style has often been advocated for simulation programs, systems programming, graphics, and AI programming. The history of ideas has some additional threads including work on message passing as in ACTORS, and multiple inheritance as in FLAVORS. It is also related to a line of work in AI on the theory… 

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