Top "Inheritance" questions

Inheritance is the system in object oriented programming that allows objects to support operations defined by anterior types without having to provide their own definition.

How can I initialize base class member variables in derived class constructor?

Why can't I do this? class A { public: int a, b; }; class B : public A { B() : A(), a(0), b(0) { } };

c++ inheritance
Class extending more than one class Java?

I know that a class can implement more than one interface, but is it possible to extend more than one …

java class inheritance subclass multiple-inheritance
JavaScript OOP in NodeJS: how?

I am used to the classical OOP as in Java. What are the best practices to do OOP in JavaScript …

javascript node.js oop inheritance mongoose
In C#, can a class inherit from another class and an interface?

I want to know if a class can inherit from a class and an interface. The example code below doesn't …

c# class inheritance interface components
Java Constructor Inheritance

I was wondering why in java constructors are not inherited? You know when you have a class like this: public …

java inheritance constructor
TypeError: module.__init__() takes at most 2 arguments (3 given)

I have defined a class in a file named Object.py. When I try to inherit from this class in …

python python-3.x inheritance typeerror
Class is not abstract and does not override abstract method

So I've been working on a homework on abstraction for my programming class and fell into a problem. The goal …

java inheritance abstract-class draw
Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?

Java doesn't allow multiple inheritance, but it allows implementing multiple interfaces. Why?

java oop inheritance interface language-design
What's wrong with overridable method calls in constructors?

I have a Wicket page class that sets the page title depending on the result of an abstract method. public …

java oop inheritance constructor overriding