In .NET, one can specify a \"mustoverride\" attribute to a method in a particular superclass to ensure that subclasses override that particular method.
I try to encapsulate. Exeption from interface, static inner class working, non-static inne开发者_StackOverflow中文版r class not working, cannot understand terminology: nested classes, inner classes, n
I want to create an extendible package I am writing that has Topology, Node & Relationship classes.The idea is these base classes would have the various methods in them necessary to base graph tra
This question already has answers here: How to create abstract properties in python abstract classes? (7 answers)
I\'m using VS2008 to build a plain old C++ program (not C++/CLI). I have an abstract base class and a non-abstract derived class, and building this:
I have an abstract class named Xpto and two subclasses that extend it named Person and Car. I have also a class named Test with main() and a method foo() that verifies if two persons or cars (or any o
As an abstract class cannot be instantiated, why is a constructor still allo开发者_StackOverflow社区wed inside the abstract class?
I have an abstract class Airplane, and two classes PassengerAirplane and CargoAirplane, which extend class Airplane.
I know abstract fields do not exist in java. I also read this question but the solutions proposed won\'t solve my problem. Maybe there is no solution, but it\'s worth asking :)
Here is the MSDN article on abstract classes, but I really don\'t get it... When should I really use abstract classes?开发者_C百科 What are the advantages of using abstract classes?Abstract classes a
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