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.
Why is the Liskov Substitution Principle important?
It's important because it ensures that a subclass can stand in for its superclass, promoting code reusability and maintainability.
Can you give an example of LSP in action?
Sure! If you have a class Bird
and a subclass Penguin
, if Penguin
cannot fly, it might violate LSP if the code expects all Bird
objects to fly.
How does LSP relate to other SOLID principles?
LSP is one of the five SOLID principles of object-oriented design, and it works closely with the Open/Closed Principle to ensure that classes are designed for extension without modification.
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