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More on inheritance

Published November 27, 2021 in C# , Design Patterns , Object Oriented Programming

Inheritance is something that comes up quite often during my programming experience. Whenever I have classes that share some logic or properties, I think of inheritance. However, sometimes, using inheritance ends up making a design more brittle. Through my experience and reading, I have learned a few things about inheritance.

Tags: composition , delegation , dependency inversion principle , inheritance , interface , liskov substitution principle , mixin , multiple inheritance

Notes on Barbara Liskov paper on data abstraction and hierarchy

Published June 26, 2021 in Architecture

In October 1987, Barbara Liskov published a research paper in which she discussed about different but related concepts: data abstraction, inheritance, encapsulation, implementation hierarch, type hierarchy and polymorphism. I’ve found the paper to be insightful and informative. In this post, I simply give a recap of what I have learned and share my thoughts from reading the paper.

Tags: data abstraction , inheritance , interface , liskov substitution principle , oop , polymorphism , subclass , superclass