LSP
The LSP is another fundamental concept in object-oriented programming. It dictates how subclasses should relate to their superclasses. According to the LSP, if a program uses objects of a superclass, then the substitution of these objects with objects of a subclass should not change the correctness and expected behavior of the program.
Following this principle is important for maintaining the robustness of a software system. It ensures that, when using inheritance, subclasses extend their parent classes without altering their external behavior. For example, if a function works correctly with an object of a superclass, it should also work correctly with objects of any subclass of this superclass.
The LSP allows developers to introduce new subclass types without the risk of breaking existing functionality. This is particularly important in large-scale systems where changes in one part can have effects on other parts of the system. By following the LSP, developers can safely...
