abstract-class Archives

Programming, Python

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In the following code, I create a base abstract class Base. I want all the classes that inherit from Base to provide the ...

I’d like to test an abstract class. Sure, I can manually write a mock that inherits from the class. Can I do this ...

Why is it possible to write constructor for an abstract class in C#? As far as I know we can’t instantiate an abstract ...

Because I am used to the old ways of duck typing in Python, I fail to understand the need for ABC (abstract base ...

What is an “abstract class” in Java? 14 Answers 14

Please explain when I should use a PHP interface and when I should use an abstract class? How I can change my abstract ...

How can I make a class or method abstract in Python? I tried redefining __new__() like so: class F: def __new__(cls): raise Exception("Unable ...

This may be a generic OOP question. I wanted to do a generic comparison between an interface and an abstract class on the ...

I was wondering how to unit test abstract classes, and classes that extend abstract classes. Should I test the abstract class by extending ...

I’m originally a Java programmer who now works with Objective-C. I’d like to create an abstract class, but that doesn’t appear to be ...