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Abstract Class #15

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jimin-kiim opened this issue Dec 15, 2022 · 1 comment
Open

Abstract Class #15

jimin-kiim opened this issue Dec 15, 2022 · 1 comment

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@jimin-kiim
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@jimin-kiim
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jimin-kiim commented Dec 15, 2022 •
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  • contains at least one pure virtual function
  • providing uniform interface without implementation is the purpose
    • to deal with a number of different derived classes
    • interface reuse
  • delegates implementation responsibility to the derived classes
  • every derived class of an abstract class must implement the inherited pure virtual functions if objects are to be created from it
  • cannot make an instance. no objects of an abstract class can be created
    • but the pointers and references to an abstract class are still legal.
  • can only be used as a base class

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