Short version: If X inherits from Y, then X should pass all of Y’s black box tests. I first encountered this idea at SPLASH 2021. The longer explanation A bit of background In A Behavioral Notion of Subtyping Liskov originally defined subtyping in inherited objects as follows: … » Hillel Wayne | hillelwayne.com
Software developers implement codes to meet the users’ requirements and satisfy the clients. Some… » DEV Community | dev.to
The Adapter pattern and the Bridge Pattern have brought along a lot of confusion. In this post we’re… » DEV Community | dev.to
Created by created by Barbara Liskov and Jeannette Wing, the Liskov Substitution Principle or (LSP… » DEV Community | dev.to
Dependency Inversion Principle (DIP for short) states: One should depend upon abstractions and… » DEV Community | dev.to
This principle was developed by Robert C. Martin while working at Xerox as a consultant. Martin was… » DEV Community | dev.to
S.O.L.I.D. Software Design Principles To Help You Become A Better Developer » hackernoon.com | hackernoon.com
The Object-Oriented Design Principles are the core of OOP programming, but I have seen most of the Java programmers chasing design patterns like Singleton pattern, Decorator pattern, or Observer pattern, and not putting enough attention on learning Object-oriented analysis and design. It’s important to learn the basics of Object-oriented programming like Abstraction, Encapsulation, Polymorphism and Inheritance. But, at the same time, it’s equally important to know object-oriented design principles. » Hacker Noon | hackernoon.com