Challenges of Removing Unused Code Modules during Application Upgrade

discussion about Object-oriented programming vs data-oriented programming in Java, using Java record classes, hexagonal architectures, considerations for decoupling and abstractions, the advantages of polymorphism and transparent persistence, the pitfalls of inheritance and abstraction, the importance of naming and cohesion sealed interfaces and switch expressions to implement business logic outside of data classes, using sealed types and switch statements, advantages of better separation of concerns and ease of removing unused code, data-oriented programming with NoSQL, the Citroen 2CV (Duck) Car

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