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Questions tagged liskov-substitution-principle

4 questions

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10
votes
5
answers

Can't weakening preconditions and strengthening postconditions also violate Liskov Substitution Principle?

inheritance liskov-substitution-principle preconditions post-conditions
asked 2013-05-08T17:42:48.453
16
votes
6
answers

How to comply with Liskov's Substitution Principle (LSP) and still benefit from polymorphism?

c# polymorphism solid-principles liskov-substitution-principle
asked 2013-01-18T16:52:39.390
166
votes
8
answers

Why array implements IList?

c# arrays ilist liskov-substitution-principle
asked 2011-05-11T18:15:18.870
13
votes
4
answers

Does the Liskov Substitution Principle apply to subtype which inherited from abstract class?

oop design-principles liskov-substitution-principle
asked 2010-02-12T19:07:09.523