Top "Inheritance" questions

What does 'super' do in Python?

What's the difference between: class Child(SomeBaseClass): def __init__(self): super(Child, self).__init__() and: class Child(SomeBaseClass): def __init__(…

python oop inheritance super

Do subclasses inherit private fields?

This is an interview question. Does subclasses inherit private fields? I answered "No", because we can't access them using the "…

java oop inheritance private

Difference between Inheritance and Composition

Are Composition and Inheritance the same? If I want to implement the composition pattern, how can I do that in …

java oop inheritance composition

Abstract methods in Python

I am having trouble in using inheritance with Python. While the concept seems too easy for me in Java yet …

python inheritance abstract

Inheriting constructors

Why does this code: class A { public: explicit A(int x) {} }; class B: public A { }; int main(void) { B *b = …

c++ inheritance gcc constructor

Convert base class to derived class

Is it possible in C# to explicitly convert a base class object to one of it's derived classes? Currently thinking …

c# inheritance casting downcast

Is it possible to make abstract classes in Python?

How can I make a class or method abstract in Python? I tried redefining __new__() like so: class F: def __…

python class inheritance abstract-class abstract

Java error: Implicit super constructor is undefined for default constructor

I have a some simple Java code that looks similar to this in its structure: abstract public class BaseClass { String …

java inheritance dry boilerplate

Is there a way to override class variables in Java?

class Dad { protected static String me = "dad"; public void printMe() { System.out.println(me); } } class Son extends Dad { protected static …

java inheritance overriding

Ruby: kind_of? vs. instance_of? vs. is_a?

What is the difference? When should I use which? Why are there so many of them?

ruby inheritance introspection