What is the Liskov Substitution Principle and can you give me examples?
An example of an AI chatbot conversation about the Liskov Substitution Principle and its examples.
What is the Liskov Substitution Principle?
The Liskov Substitution Principle (LSP) states that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
Can you provide an example of this principle in action?
Sure! Imagine you have a class Bird with a method fly(). If you create a subclass Penguin that cannot fly, substituting Penguin for Bird would violate LSP.
How can I fix the issue with the Penguin class?
You could create an interface FlyingBird for birds that can fly, and have Bird and Penguin implement their respective behaviors without violating LSP.
Are there any other principles related to LSP?
Yes, LSP is part of the SOLID principles, which also include Single Responsibility, Open/Closed, Interface Segregation, and Dependency Inversion.
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