Top "Polymorphism" questions

Why use base class pointers for derived classes

class base{ ..... virtual void function1(); virtual void function2(); }; class derived::public base{ int function1(); int function2(); }; int main() { derived d; …

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Reintroducing functions in Delphi

What was the motivation for having the reintroduce keyword in Delphi? If you have a child class that contains a …

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When is a vtable created in C++?

When exactly does the compiler create a virtual function table? 1) when the class contains at least one virtual function. OR 2) …

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How to have abstract and overriding constants in C#?

My code below won't compile. What am i doing wrong? I'm basically trying to have a public constant that is …

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Inheritance Mapping with Fluent NHibernate

Given the following scenario, I want map the type hierarchy to the database schema using Fluent NHibernate. I am using …

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Parametric polymorphism vs Ad-hoc polymorphism

I would like to understand the key difference between parametric polymorphism such as polymorphism of generic classes/functions in the …

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Force base method call

Is there a construct in Java or C# that forces inheriting classes to call the base implementation? You can call …

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Laravel: Returning the namespaced owner of a polymorphic relation

I can find a number of discussions regarding this but no clear solution. Here are two links, although I will …

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Compiler error : reference to call ambiguous

Case 1 static void call(Integer i) { System.out.println("hi" + i); } static void call(int i) { System.out.println("hello" + …

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Is polymorphism possible without inheritance?

In an interview I was asked if polymorphism can be achieved without inheritance. Is this possible?

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