Data Types

  • Michael Marcotty
  • Henry Ledgard
Part of the Springer Books on Professional Computing book series (SB COMPUTING)


A program is useful because it models a real-world process. To do this, it manipulates abstract objects that represent real-world objects. The closer the properties of an abstract object mirror those of the corresponding realworld object, the more effective will be the program and the easier it will be to understand.


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Copyright information

© Science Research Associates, Inc. 1987

Authors and Affiliations

  • Michael Marcotty
    • 1
  • Henry Ledgard
    • 2
  1. 1.Computer Science DepartmentGeneral Motors Research LaboratoriesWarrenUSA
  2. 2.RFDAmherstUSA

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