There are already several SO questions on why there is not abstract static method/field as such, but I'm wondering about how one would go about implementing the following psuedo-code: class Animal...

Imagine I have a class called Engine as an abstract base class. I also have ElectrictEngine and FuelEngine classes which derive from it. I want to create a method for refueling the engine. Should ...

Is it better to put a default implementation of a method in a superclass, and override it when subclasses want to deviate from this, or should you just leave the superclass method abstract, and hav...

I have some basic questions about abstract classes/methods. I know the basic use of abstract classes is to create templates for future classes. But are there any more uses for them? When shou...

Is it necessary for an abstract class to have at least one abstract method?

What is the equivalent of the following C# code in C++/CLI? public abstract class SomeClass { public abstract String SomeMethod(); }

Hi I have a class "A" with as abstract method protected abstract List<Contributor> GetContributors(List<SyndicationPerson> contributersList); I want to override this method in derive...

I have the following interface in Java public interface IFoo { public abstract void foo(); public void bar(); } What is the difference between foo() and bar()? When should I use abstract? Bot...