State the Liskov substitution principle and in what phase of the software development process this principle is used. Explain how it can be verified that a software program satisfies this principle

Consider the software design solution shown in figure. Describe the relationship between the three classes. Analyze the design solution and determine if all Object-Oriented design principles are respected. If any of these principles is not respected than explain why, state this principle, and modify the design solution in such a way that all Object-Oriented design principles are respected.

 

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