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Recap and references

A brief overview of the material covered during this week, some references to additional information, and some Fortran-related humor.

You have reached the end of week 3. During this week, you learned about a few topics that are required to do object-oriented programming in Fortran. You learned about

  • user-defined types that allow you to build your own custom data types,
  • modules that help you structure your code into units that facilitate code reuse and allow to restrict access to their content,
  • interfaces that serve as types for procedures so they can be passed safely to other procedures as arguments,
  • type-bound procedures, Fortran’s way of defining object methods, and
  • inheritance, the mechanism to derive a new class from an existing one.


The books that were mentioned previously contain a lot of information and examples on the material covered in this week, so you should certainly check those. In addition, there is some material specific to this week’s content.


  • Emulating multiple inheritance in Fortran 2003/2008, Karla Morris, Scientific programming, vol. 2015, article ID 126069, 2015


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Fortran for Scientific Computing

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