In software development, organizing our codebase in a way that is easy to maintain is always a good practice, and this idea is not new. Actually, I think this started in 1968 when the term software crisis was coined. Since then, we have developed many principles to help us achieve this goal. One person who has made many contributions to this field is Barbara Liskov. She is very famous for the Liskov Substitution Principle (LSP), but she also invented the Abstract Data Type(ADT), which is the core concept of classes and object-oriented programming. Here, I want to discuss composition compared to inheritance and how understanding the Liskov Substitution Principle can help you develop better software.
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