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A methodology that enables a system to be modeled as a set of objects that can be controlled and manipulated in a modular manner

2 votes
5 answers
2k views

Violation of Liskov Substitution Principle?

I've have an animal class class Animal { public function eat(Food $food); } the subclass who inherit it actually cannot support all kinds of Food (Cat can only eat meat): class Cat extends Ani …
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